Which type of compound is typically soluble in water?
carbonate hydroxide sulfate phosphate

im very postive it is aluminum oxide (;

Hello There,

The answer is:

aluminum oxygen

Hope this help have a great day :)

First there is a need to calculate the molar mass of Ba(NO₃)₂:

137.3 + 2 (14.0) + 6 (16) = 261.3 grams/mole

The molar mass, denoted by M in chemistry refers to a physical characteristic illustrated as the mass of a given component divided by the amount of the component. The molar masses are always denoted in grams/mole.

After finding the molar mass, the number of moles can be identified as:

432 grams / 261.3 g/mol = 1.65 moles of Ba(NO₃)₂.

The number of moles in 432g of Ba(NO₃)₂, is 1.653.

To calculate the number of moles in 432g of Ba(NO₃)₂, we first need to find its molar mass. The molar mass of Ba(NO₃)₂ is calculated as follows:

Therefore, the molar mass of Ba(NO₃)₂ is 261.3 g/mol.

Next, we use the formula for the number of moles:

So, the number of moles of Ba(NO₃)₂ in 432g is:

 The grams  of NaCl   that needed  to make 1L  of a 0.1 M solution  is  

5.845 g (answer C)

 calculation

Step 1: find the  moles of NaCl

moles  = molarity  x  volume  in liters

molarity = 0.1 M =0.1 mol/l

= 1 L x 0.1 Mol/L = 0.1 moles

Step 2: find  the   mass  NaCl

mass =  moles x  molar mass

From  periodic  table   the molar mass of NaCl  = 23 +35.45 =58.45 g/mol

mass= 0.1 moles  x 58.45 g/mol =5.845 g appropriate ( answer C)

To calculate the number of grams of NaCl that would be needed to make 0.1 M of solution we have to calculate;

Answer:

A. a mixture.  

Step-by-step explanation:

If the perfume is made from water and anything else, it is a mixture.

B. is wrong, because water is a liquid at room temperature.

C. is wrong, because water is a compound.

D. is wrong, because the perfume is a mixture of water and other compounds.

Answer: A. a mixture.

Explanation:

Element is a pure substance which is composed of atoms of similar elements. It can not be decomposed into simpler constituents using chemical reactions.Example: Copper [tex]Cu[/tex]

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. Example: water [tex]H_2O[/tex]

Mixture is a substance which has two or more components which do not combine chemically and do not have any fixed ratio in which they are present.The components do not combine chemically and hence retain their original properties. Example: perfume made from water, rose essence, and a splash of vanilla.

Thus the perfume is most likely a mixture as different components retain their original properties.

the balanced equation is:

CH4 +2O2  -> CO2+2H2O

Answer:

[tex]\huge \boxed{\mathrm{CH_4+ 2O_2 \Rightarrow CO_2 +2 H_2O}}[/tex]

[tex]\rule[225]{225}{2}[/tex]

Explanation:

[tex]\sf CH_4+ O_2 \Rightarrow CO_2 + H_2O[/tex]

Balancing the Hydrogen atoms on the right side,

[tex]\sf CH_4+ O_2 \Rightarrow CO_2 +2 H_2O[/tex]

Balancing the Oxygen atoms on the left side,

[tex]\sf CH_4+ 2O_2 \Rightarrow CO_2 +2 H_2O[/tex]

[tex]\rule[225]{225}{2}[/tex]

The composition of the ocean floor can be described as option A. Basalt covered in sediment

Basaltic rocks are the main type of rock on the ocean floor. They are made from cooled lava. Basalt is a kind of rock that has a lot of iron and magnesium. It looks dark and smooth. It forms most of the bottom layer of the ocean.

The ocean floor has different types of stuff called sediments covering it. These sediments can come from land, like rocks breaking down and being carried away, or from sea creatures, like shells and skeletons collecting on the ocean floor.

Hence option a is correct.

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see full text below

Which describes the composition of the ocean floor?

A. Basalt covered in sediment

B. Sediment covered in basalt

C. Granite covered in sediment

D. Basalt covered in granite

Radioactive substances decay and emit alpha, beta, positron, and gamma particles in the process of converting to stable nuclei. An alpha particle has two protons and two neutrons, is relatively heavy and deflected by electrical and magnetic fields. Beta particles are fast moving electrons which are greatly deflected by electrical and magnetic fields. Gamma particles (highly energetic) are neutral and not deflected electrical and magnetic fields. Positron is positively charged beta particle. Opposite charges attract each other. So we can say that alpha particle and positron being positively charged are attracted towards the negative plate. Alpha particle is heavy, so it is slightly deflected towards the negative plate. Beta particle being negatively charged is deflected towards the positive plate and gamma particle is neutral and not deflected in the electrical field.

Therefore, the correct answer is,

A. Beta particle

B. Gamma particle

C. Alpha particle

D. Positron

The correct answer indicating the particle deflected towards the positive plate is option A, the Beta particle. Options B (Gamma particle), C (Alpha particle), and D (Positron) are not deflected towards the positive plate in an electric field.

In the context of radioactive decay, the behavior of particles in electric and magnetic fields provides clues to their charge and mass.

Beta particles, being fast-moving electrons, are negatively charged and deflect towards the positive plate.

Gamma particles, being neutral, remain unaffected by electric and magnetic fields.

Alpha particles, although positively charged, are heavy and only slightly deflected towards the negative plate.

Positrons, being positively charged, would be attracted towards the negative plate.

Therefore, the correct answer indicating the particle deflected towards the positive plate is option A, the Beta particle. Options B (Gamma particle), C (Alpha particle), and D (Positron) are not deflected towards the positive plate in an electric field.

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Water is capable of dissolving a variety of different substances, which is why it is such a good solvent. And, water is called the "universal solvent" because it dissolves more substances than any other liquid. ... This allows the water molecule to become attracted to many other different types of molecules.

Atomic number is the number of protons in an atom and is equal to the number of electrons also.

Atomic number = 44.

Hence number of electrons in an atom of this element (with atomic number 44) = 44 electrons.

24

Ddddd

Hope I helped

Answer:

option C)

Explanation:

correct option is option C)

in troposphere when we move up the temperature goes on decreasing and the hot air from the earth surface   comes into  contact with the cold air of the troposphere then air gets condensed.

but in temperature inversion when moves up temperature increases and this leads the gases to not to condense.

Answer:

Show the strength of bonds.

Explanation:

Lewis structures just show the bonding but not the strength.

Answer:

Show the strength of bonds

Explanation:

By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

The atomic mass of an element is calculated by taking the weighted averages of naturally occurring isotopes of that element. C is the correct option among the given options.

Atomic mass, also known as atomic weight, refers to the average mass of atoms of an element. It is a relative measure that compares the mass of an atom to the mass of a reference atom. The atomic mass is typically expressed in atomic mass units [tex](amu)[/tex] or unified atomic mass units [tex](u).[/tex]

This means that, the atomic mass of an element is calculated by taking into account the abundance of each isotope of the element and its atomic mass. A weighted average is an average in which each value to be averaged is multiplied by a factor reflecting its importance, and the resulting products are added together and then divided by the sum of the factors.

Therefore, the weighted averages of naturally occurring isotopes of that element is referred as atomic mass. Option C is the correct option.

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In these atoms, the positive and negative charges cancel each other out, leading to an atom with no net charge.

(Protons, neutrons, and electrons)

The empirical formula is [tex]H_2SO_4[/tex] .

It is the simplest ratio of atoms of elements in a compound. So, the empirical formula is [tex]H_2SO_4[/tex] . The given formula is already in its simpler form.

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Final answer:

The empirical formula for sulfuric acid (H₂SO₄) is H₂SO₄ because the formula is already at its simplest whole-number ratio which cannot be reduced further.

Explanation:

The empirical formula for sulfuric acid (H₂SO₄) is simply its simplest formula, which defines the relative proportions of each type of atom in the substance. An empirical formula is based on the smallest whole-number ratios of atoms in a compound. In the case of H₂SO₄, the empirical formula is the same as its molecular formula because it cannot be reduced to smaller whole-number ratios. Sulfuric acid consists of two hydrogen (H) atoms, one sulfur (S) atom, and four oxygen (O) atoms.

The empirical formula shows the simplest ratio of elements in a compound. In most cases, this is not necessarily the actual number of atoms present in a molecule of the compound, but for H₂SO₄, the empirical formula and molecular formula are identical. To derive an empirical formula, you would normally divide the moles of each element by the smallest number of moles to get a whole-number ratio, but with sulfuric acid, no division is necessary as it is already in the lowest terms.

there are three sientific figures

exponents decimal multiplication

Significant figures are the digits in a number that carry meaningful information about its precision. The number 5.67 x 10⁶ has three significant figures.

Significant figures are the digits in a number that carry meaningful information about its precision. In this case, the digits 5, 6, and 7 are significant because they represent specific values.

The exponential notation (scientific notation) 10⁶ indicates that the number is multiplied by 10 to the power of 6, which means it is 5.67 million. The zeros at the end of the number are not considered significant; they are used to denote the scale of the value but do not add any additional precision.

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Answer:

The first one is energy.

The second one is specific heat.

Explanation:

Platos answer

Answer

Answer:

If temperature added

If temperature is added to the object, the particles of the object vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the space of matter of the object. This results in increased molecular motion, object expands and takes up more space

If temperature taken away

If temperature is taken away from object, the particles vibrate slower. The atoms can get closer result in the matter contracts.

In both cases the mass is not changes. and it happens in all solids, liquids and gases

Chelation. Dimercaprol and dimercaptosuccinic acid are chelating agents that sequester the arsenic away from blood proteins and are used in treating acute arsenic poisoning. The most important side effect is hypertension. Dimercaprol is considerably more toxic than succimer.

The molecular geometry of CH₂S  is trigonal planar and the molecule is polar .

Molecular geometry can be defined as a three -dimensional arrangement of atoms which constitute the molecule.It includes parameters like bond length,bond angle and torsional angles.

It influences many properties of molecules like reactivity,polarity color,magnetism .The molecular geometry can be determined by various spectroscopic methods and diffraction methods , some of which are infrared,microwave and Raman spectroscopy.

They provide information about geometry by taking into considerations the vibrational and rotational absorbance of a substance.Neutron and electron diffraction techniques provide information about the distance between nuclei and electron density.

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The kinetic energy and the physical state of water depend strongly on the temperature;

As the temperature increases, the speed of colliding molecules increases and the kinetic energy increases.

Answer: These are called as nuclear chain reactions.

Explanation: Nuclear Fission reactions are the reactions in which one heavier nuclei produces two lighter daughter nuclei.

Nuclear chain reactions are defined as the chemical reactions when one neutron released in a fission reaction produces another fission reactions in other nucleus. The other nucleus again releases neutrons and a chain of reactions is formed.

These reactions are generally uncontrollable.

Hence, The continuous release of nuclear energy caused when on fission reaction triggers more nuclear reactions is a nuclear chain reaction.

so for shortest it would be x-rays, middle would be red visible light and longest would be infrared

the one with most energy would be gamma rays and the least would be radio waves i think.

Answer:

Similar

Explanation:

Elements that are located in the same vertical colomn or group of the periodic table have similar chemical properties. This is because they have the same amount of valence electrons in the outermost shell.

Answer : The grams of carbon monoxide needed are 148.89 g

Solution : Given,

Mass of iron, Fe = 198.5 g

Molar mass of iron, Fe = 56 g/mole

Molar mass of carbon monoxide, CO = 28 g/mole

First we have to calculate the moles of iron, Fe.

[tex]\text{ Moles of Fe}=\frac{\text{ Mass of Fe}}{\text{ Molar mass of Fe}}=\frac{198.5g}{56g/mole}=3.545moles[/tex]

The balanced chemical reaction is,

[tex]Fe_2O_3(s)+3CO(g)\rightarrow 3CO_2(g)+2Fe(s)[/tex]

From the balanced reaction, we conclude that

2 moles of iron produces from the 3 moles of carbon monoxide

3.545 moles of iron produces from the [tex]\frac{3}{2}\times 3.545=5.3175[/tex] moles of carbon monoxide

Now we have to calculate the mass of carbon monoxide, CO.

[tex]\text{ Mass of CO}=\text{ Moles of CO}\times \text{ Molar mass of CO}[/tex]

[tex]\text{ Mass of CO}=(5.3175moles)\times (28g/mole)=148.89g[/tex]

Therefore, the grams of carbon monoxide needed are 148.89 g

A.) Electrical energy

is your answer

A.) Electrical

This was proven by Benjamin Franklin with his kite experiment.

This diagram explains the relationship between atoms,moles and molecules.

moles ↔ molecules ↔ atoms                

Atoms are the building blocks of substances, and molecules are formed by distinct arrangements of atoms. A mole is a unit that enables us to express very large quantities of atoms or molecules. Models like the ball-and-stick aid in visualizing these relationships.

The relationship between atoms, moles and molecules can be seen in how each unit of matter interacts with each other. Atoms are the building blocks of substances, and molecules are formed by distinct arrangements of these atoms, typically of more than one element. In the model of an organic molecule, for example, atoms of carbon, hydrogen, nitrogen, oxygen, and sulfur are shown in proportional atomic size, and the chemical bonds indicated by silver rods demonstrate the connections between these atoms (Figure 2.1).

The molecular formula uses chemical symbols and subscripts to indicate the exact numbers of different atoms in a molecule or compound. An empirical formula, meanwhile, gives the simplest, whole-number ratio of atoms forming a compound (molecular orbital theory). When we talk about moles, this is a convenient unit for expressing very large numbers of atoms or molecules. The mass in grams of 1 mole of substance is known as its molar mass. Moreover, you have probably heard about Avogadro's number, which amounts to 6.022 x 10^23, the number of entities composing 1 mole of substance.

A concept that can help visualize these relationships is the ball-and-stick model, which shows the geometric arrangement of atoms within a molecule. This model also illustrates how molecules are three-dimensional, and can describe molecular bonds in terms of their distances, angles, and relative arrangements in space, providing a more in-depth understanding of molecular structure (molecular orbital diagram).

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Consider the equation for weight:

W=mg

W is the weight, m is the mass, and g is the acceleration due to gravity.

Therefore, to calculate the weight of an object, just multiply its mass by the acc. due to gravity of the location.

The acc. due to gravity on Earth is approximately 9.81 ms^-2, note that this number may change from place to place, for example, the acc. due to gravity on moon is only 1/6 of Earth's. (Sometimes the question provides g as 10, so make sure you check the instructions before!)

W = 1.5 x 9.81

   = 14.715N (≈14.7N)

Therefore, the answer to this question is the last option (or D), 14.7N.

the last choice is the equation for photosynthesis