Balance the following reaction:

Chemistry

1 answer:

NeX [460]1 year ago

8 0

Answer:

3 Ca(OH)2 + 2 K3PO4 ---> Ca3(PO4)2 + 6 KOH

Explanation:

Just balance each atom on both sides.

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IgorC [24]

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2 years ago

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A 5.0-gram sample of Fe(s) is to be placed in 100. milliliters of HCl(aq). Which changes will result in the fastest rate of reac

sveta [45]

The answer is <span>increasing the surface area of Fe(s) and increasing the concentration of HCl(aq).

the rate of reaction can be increased if the interaction between the reactants in better. by increasing the surface area of a solid, such as Fe, you make more possible each molecule of Fe to interact with HCl. Also, by increasing the concentration of HCl, it mean there is more molecule of HCl to interact with Fe.</span>

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2 years ago

if a gas sample has a pressure of 761 mmhg at 0.00°c by how much does the temperature have to decrease to lower the pressure to

Nady [450]

<h3>Answer:</h3>

272.43 K or -0.718°C

<h3>Explanation:</h3>

We are given;

The initial pressure,P1 as 761 mmHg

Initial temperature, T1 as 0.00°C which is equivalent to 273.15 K

Final pressure as 759 mmHg

We are required to calculate the final temperature;