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Ksju [112]
3 years ago
15

 Some

Chemistry
1 answer:
Misha Larkins [42]3 years ago
7 0
<span>density is defined as mass per volume.. so 94 mL makes no sense.</span>
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Helium has a density of 1.79 x 10-4 g/mL at standard temperature and pressure. A balloon has a volume of 6.3 liters. Calculate t
sukhopar [10]
To find the mass you divide multiply volume and density..

Density = 1.79 x 10^-4     Volume = 6.3

(1.79 x 10^-4 )(6.3) =  <span>1.1 x 10^-3 g
</span>
7 0
3 years ago
Read 2 more answers
What is the product of 1.65 and 1.05 x 10-27
lilavasa [31]

Answer:

-<em>9</em><em>.</em><em>6</em><em>7</em><em>5</em>

Explanation:

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3 0
3 years ago
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If a block has the mass of 15.00 grams and measurements of 5.00cm by 3.00cm by 2.00cm what is the volume of the block?
Natalija [7]

Answer:

Volume = 30cm³

Explanation:

A block is a geometrical figure and its volume, -look at the figure-, follows the equation:

Volume = Width*Length*Height

As the measurements of the block are 5.00cm, 3.00cm and 2.00cm, the volume is:

Volume = 5.00cm*2.00cm*3.00cm

<h3>Volume = 30cm³</h3>

3 0
3 years ago
When 120 g of carbon reacts completely with 320 g of oxygen the mass of carbon dioxide formed will be?
olga2289 [7]
440 cause mass cant be created or destroyed
6 0
3 years ago
What is the empirical formula for CaCo3?*
GalinKa [24]

This problem is requiring the empirical formula for CaCO₃, which is its molecular formula, and turns out to be equal, this is A. CaCO3 according to the following:

<h3>Empirical formulas:</h3><h3 />

In chemistry, molecular formulas show both the actual type and number of atoms in a chemical compound, based on the elements across the periodic table and the subscripts standing for the number of atoms in the compound.

However, the empirical formula is a reduced expression of the molecular one, which shows the minimum number of atoms in a compound after simplifying to the smallest whole numbers.

In such a way, since the given compound is CaCO₃ and both Ca and C have a one as their subscript, it is not possible to simplify any further and therefore the empirical formula equals the molecular one this time, making the answer to be A. CaCO3.

Learn more about empirical formulas: brainly.com/question/1247523

5 0
2 years ago
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