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2 years ago

What are reasons standardizing conditions in which chemist describe matter?

1 answer:

7 0

Matter is the basic unit of every thing in the world, whether living or nonliving. So, it is logical to set definitions and postulates because these could pave way to other complexities of science. It is the foundation of science. That is why theories and laws are formulated for matter such as: Kinetic Theory of Matter, Dalton's Atomic Model, Newton's Law of Motion, Conservation Laws and many more.

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What percentage of the mass of 1 mole of CH3Cl is derived from carbon?

steposvetlana [31]

Answer:

Element Symbol Atomic weight Atoms Mass percent

Carbon C 12.0107 1 23.7894

Hydrogen H 1.00794 3 5.9892

Chlorine Cl 35.453 1 70.2213

Explanation:

3 0

2 years ago

C=h/[M(T2-T1)] solve for T1

vodka [1.7K]

Explanation:

This is expressing as a subject of a formula of a specie.

This equation is used in solving for specific heat capacity of a material;

equation:

c = $\frac{h}{M(T2 - T1)}$

First cross multiply:

c[M(T2 - T1)] = h

Then multiply both sides by $\frac{1}{c }$ :

$\frac{1}{c }$ x c[M(T2 - T1)] = $\frac{1}{c }$ x h

M(T2 - T1) = $\frac{h}{c}$

Multiply both sides by $\frac{1}{M}$

$\frac{1}{M}$ x M(T2 - T1) = $\frac{1}{M} x \frac{h}{c}$

T2 - T1 = $\frac{h}{Mc}$

Now rearrange to produce;

T1 = T2 + $\frac{h}{Mc}$

learn more:

Specific heat brainly.com/question/7210400

#learnwithBrainly

7 0

3 years ago

What information do we need to determine the molecular formula of a compound from the empirical formula?

defon

Answer:

Molecular mass

Explanation:

Molecular formulas is the actual number of atoms of each element in the compound while empirical formulas is the simplest or reduced ratio of the elements in the compound.

Thus,

Molecular mass = n × Empirical mass

Where, n is any positive number from 1, 2, 3...

Thus if the molecular mass is known, then we can find the value of n which results to molecular formula.

6 0

3 years ago

How does the type of liquid used to make ice cubes affect the rate at which it melts?

3241004551 [841]

It doesn’t affect it

5 0

2 years ago

13. A new mystery novel will cost Ally $26.60. If she earns $6.65 an hour, how many hours will

Charra [1.4K]

Answer : C

Because $6.65 multiplied by 4 hours equals $26.60

3 0

3 years ago

Read 2 more answers