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3 years ago

Xavier boiled 19 grams of water. If all of the water changed into a gas, what would be the mass of the steam?

Chemistry

1 answer:

aliina [53]3 years ago

8 0

Answer:

19g

Explanation:

The mass of the steam produced in this phase change process will also be 19g. This is in compliance with the law of conservation of mass.

It states that "mass is neither created nor destroyed in a the cause of reaction".
The law suggests that mass is conserved.
When steam is heated, it does not lose its mass.
The mass of the steam is still the same as that of water.

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Answer:

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3 years ago

The daily value for phosphorus is a 700 mg how many grams of phosphorus are recommended

-BARSIC- [3]

The amount of grams of phosphorus that are recommended is 0.700 g

Why?

This is an unit conversion problem. To convert between units we use conversion factors. In this case the conversion factor we want is from mg to g, and this is relatively simple: 1000 mg = 1 g. Now, we arrange the quantities in the following way:

$700 mg P*\frac{1g}{1000mg}=0.700 g$

Conversion factors are really useful for converting units! Just remember to put the unit you don't want at the bottom, and the one you want at the top.

Have a nice day!

#LearnwithBrainly

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3 years ago

What is a mixture of hot gasses and volcanic material that moves at highspeeds

Nadya [2.5K]

I'm pretty sure the answer is Pyroclastic flow

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3 years ago

What amount of SeC16 is needed to produce 4.45 mol of chlorine gas in the

AlladinOne [14]

Answer:

1.48 moles of SeCl6 are needed

Explanation:

Based on the reaction:

SeCl6 + O2 → SeO2 + 3Cl2

<em>1 mole of SeCl6 reacts producing 3 moles of Cl2.</em>

To solve this question we need to use the conversion factor:

1mol SeCl6 = 3mol Cl2

As we want to produce 4.45 moles of Cl2, we need:

4.45 mol Cl2 * (1mol SeCl6 / 3mol Cl2) =

<h3>1.48 moles of SeCl6 are needed</h3>

6 0

3 years ago

What happens when<br> there is a limited<br> resource in an area?

Alecsey [184]

Answer:

it will eventually die off or eventually repopulate

Explanation:

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3 years ago