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3 years ago

A box has 2 cm length, 3 cm width and 2 cm height. What is its volume? *

Chemistry

2 answers:

Serhud [2]3 years ago

5 0

Answer:

The volume is 23

Explanation:

Valentin [98]3 years ago

3 0

12cm cubed.
Formula is length x width x height and in this case it would be 2x3x2 which equals 23

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Which of the following is the correct set-up for the problem: How many grams of water will be produced from 3.2 moles of oxygen

suter [353]

Option C is the correct set of the problem for mass of water produced by 3.2 moles of oxygen and an excess ethene.

<h3>Reaction between oxygen and ethene</h3>

Ethene (C2H4) burns in the presence of oxygen (O2) to form carbon dioxide (CO2) and water (H2O) along with the evolution of heat and light.

C₂H₄ + 3O₂ ----- > 2CO₂ + 2H₂O

from the equation above;

3 moles of O₂ ---------> 2(18 g) of water

3.5 moles of O₂ ----------> x

$x = 3.2 \times [\frac{2 \ moles \ H_2O}{3 \ moles \ O_2} ] \times[ \frac{18.02 \ g \ H_2O}{1 \ mole \ H_2O} ]$

Thus, option C is the correct set of the problem for mass of water produced by 3.2 moles of oxygen and an excess ethene.

Learn more about reaction of ethene here: brainly.com/question/4282233

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2 years ago

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kap26 [50]

D. Barometer. Hope this helps

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3 years ago

Which is the correct molar mass for the compound h2SO4

AlladinOne [14]

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3 years ago

How many micrograms (ug) are in 3.4 x 10^-5 ounces (oz)

marysya [2.9K]

Answer:

964ug

Explanation:

The problem here involves converting from one unit to another.

We are to convert from ounces to micrograms.

1ug = 1 x 10⁻⁶g

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So we first convert to grams from oz then take to ug:

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3 years ago

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Savatey [412]

Net overall dissociation:
Na2CO3 ---> 2Na(-) + CO3(2-)

*The ion charge is in parenthesis

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3 years ago

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