CHEMISTRY MIDDLE SCHOOL

How many hydrogen atoms are in CH2OH?

a-10
b-3
c-5
d-4

Answers

Answer 1

Answer:

Answer:

B)3

Explanation:

I'm assuming the 2 is meant to be smaller. If it were a regular size 2 the answer would be 2 and that isn't an option

Answer 2

Answer: The answer is B. 3 because H2 plus H1 is 3 hydrogen

Related Questions

Genes are located in which part of a cell?A. VacuoleB. ChromosomeC. RibosomeD. Cytoplasm
If you have a small mineral sample, why might testing for cleavage be one of the last things you do?
Which of the following individual actions would do themost to reduce atmospheric methane?
Titanium has three common isotopes: 46Ti (8.0%) , 48Ti (73.4%) , 49Ti 5.5%, 50Ti ( 5.3%). What is the average atomic mass of titanium? Work please too!
Why is a mass movement of mud called a flow?

The coefficients in the balanced chemical equation are used to determine mole ratios.Write the mole ratios found in the reaction "Making water
H2: _____0
H2;
H20
___02: _
H20

Answers

Answer:

1 mole of HCl or NaOH gives you 1 mole of H2O , then the number of moles in H2O is: [ 1÷1×1 ] = 1 mole.

Explanation:

Why do you think there might not be enough fresh water in the future?

Answers

Answer:

hmhmhmhm

Explanation:

Why are some lava's viscous than other's?

Answers

Viscosity is the resistance to flow (opposite of fluidity). Viscosity depends on primarily on the composition of the magma, and temperature.

Which best describes a diagram of evolution? A.a straight line B.a crooked line C.a diagonal line D.a bush (explain how)

Answers

Answer:

The best description would be a bush.

Explanation:

Evolution resembled a tree, with a trunk branching off into different branches, which branch off into smaller branches, etc. This is basically the same as a bush. Any kind of line that's just a line, without any branching out, doesn't properly represent evolution because it only follows one line of evolution instead of accounting for the full picture.

List 3 ways that scientists investigate and learn about the natural world?

Answers

3 ways that scientists investigate and learn about the natural world would include:
- Experimenting
- Applying
- Growing

How would changing the proportions of substance in an alloy change its properties?

Answers

An alloy is a mixture of two or more metals which is produced with a specific proportion between metals. So, if the proportion is changed the physical characteristic would be changed as well. For example, brass musical instruments are made of brass which is a mixture (an alloy) of zinc and copper in a specific proportion. If you change a proportion, you will change the physical characteristic of brass musical instruments, and a sound they produce will be different.

Final answer:

Adjusting the proportions of substances in an alloy can significantly alter its physical and chemical properties, including hardness, boiling point, physical strength, and resistance to corrosion. These changes can cause phenomena such as rusting or shifting in acidity.

Explanation:

Changing the proportions of substances in an alloy impacts its properties. For instance, changing the ratios of iron, carbon, nickel, and other elements in steel, an alloy, can affect its physical strength and resistance to corrosion. It's crucial to understand that in any alloy, the relative compositions of different elements produce the character of the alloy. For example, in steel, altering the amount of carbon can change the hardness and tensile strength of the final product.

It's also important to know about the law of multiple proportions in chemistry. This law states that when two elements react to form more than one compound, a fixed mass of one element will react with masses of the other element in a ratio of small whole numbers. In alloy formation, these proportions of mass can significantly affect the properties of the resulting alloy.

Physical and chemical properties, such as hardness and boiling point, can be altered by changing the proportions in an alloy. These shifts can lead to both physical or chemical changes, such as melting, freezing, rusting, or even changes in flammability and acidity.