How are thing measured using the metric system

1 answer:

maks197457 [2]2 years ago

3 0

Answer: The metric system is a system of measurement that uses the meter, liter, and gram as base units of length (distance), capacity (volume), and weight (mass) respectively. To measure smaller or larger quantities, we use units derived from the metric units.

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An atom that produces nuclear energy is sometimes called a

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Nuclear fission i think it is.

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Why is it important to measure the mass of an atom?

victus00 [196]

Because without the mass, you can't find the molar mass and other formulas in Chemistry.

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There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. In

kodGreya [7K]

Answer: The net chemical equation for the production of acrylic acid is given below.

Explanation:

We are given two intermediate equations:

Equation 1: $CaC_2(s)+2H_2O(g)\rightarrow C_2H_2(g)+Ca(OH)_2(s)$

Equation 2: $6C_2H_2(g)+3CO_2(g)+4H_2O(g)\rightarrow 5CH_2CHCO_2H(g)$

To get the net chemical equation for the formation of acrylic acid from calcium carbide, carbon dioxide and water, we multiply the first equation by a factor of '6'.

The equation becomes:

Equation 1: $6C_2H_2(g)+6Ca(OH)_2(s)$

Equation 2: $6C_2H_2(g)+3CO_2(g)+4H_2O(g)\rightarrow 5CH_2CHCO_2H(g)$

Net chemical equation now becomes:

$6CaC_2(s)+16H_2O(g)+3CO_2(g)\rightarrow 5CH_2CHCO_2H(g)+Ca(OH)_2(s)$

Hence, the net chemical equation for the production of acrylic acid is given above.

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3 years ago

Identify the relative molar amounts of the species in 0.10 M NaBr(aq). Br-, OH-, H2O, H3O+, NaBr, Na+

laila [671]

NaBr < H3O+1 = OH-1 < Na^+1 = Br^-1 < H2O

Least is NaBr (100% dissolved so no NaBr remains, only Na^+1 and Br^-1 
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Na^+1 and Br^-1 will bothe be 0.1 M 
H2O is slightly less that 1000 g / L in a 0.1 M NaBr solution, so its concentration is about 55.5 M

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4 years ago

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WILL MARK BRAINLIEST!!!

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The answer is 1 x10^-10

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3 years ago

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