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Nana76 [90]
3 years ago
11

The factors in an experiment are called what

Chemistry
2 answers:
DanielleElmas [232]3 years ago
7 0
The factors in an experiment are called variable
koban [17]3 years ago
6 0

Answer:

Variables

Explanation:

A variable is any factor, trait, or condition that can exist in differing amounts or types.

Hope this helps :  )

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The reaction will generally form more reactants than products.
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A 11.97g sample of NaBr contains 22.34 % Na by mass. Considering the law of constant composition (definite proportions), how man
kap26 [50]
<h3>Answer:</h3>

2.125 g

<h3>Explanation:</h3>

We have;

  • Mass of NaBr sample is 11.97 g
  • % composition by mass of Na in the sample is 22.34%

We are required to determine the mass of 9.51 g of a NaBr sample.

  • Based on the law of of constant composition, a given sample of a compound will always contain the sample percentage composition of a given element.

In this case,

  • A sample of 11.97 g of NaBr contains 22.34% of Na by mass
  • Therefore;

A sample of 9.51 g of NaBr will also contain 22.345 of Na by mass

  • But;

% composition of an element by mass = (Mass of element ÷ mass of the compound) × 100

  • Therefore;

Mass of the element = (% composition of an element × mass of the compound) ÷ 100

Therefore;

Mass of sodium = (22.34% × 9.51 g) ÷ 100

                         = 2.125 g

Thus, the mass of sodium in 9.51 g of NaBr is 2.125 g

3 0
3 years ago
9. Which series shows levels of organization in order from the smallest to the largest
erastova [34]

Answer:

B. Atom, molecule, cell, organism

Explanation:

Atoms make up molecules. Molecules make up cells. Cells make up tissue. A number of tissues working together creates an organ. Multiple organs working together creates an organ system. Organ systems working together creates one happy, functioning organism. :)

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Mtge answer is a malaria
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