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ASHA 777 [7]
3 years ago
5

According to our textbook, write the formula for the anhydrous compound that was part of the mixture called natron that was used

by the Egyptians. What did they use this compound for and what was the name of the resulting hydrate that formed?
Chemistry
1 answer:
bearhunter [10]3 years ago
8 0

Answer:

The formula for the anhydrous compound that was part of the mixture called natron that was used by the Egyptians is Na2(CO3)10(H2O).

They use this compound for medicine, cookery, agriculture, in glass-making and to dehydrate egyptian mummies.

Compound of sodium carbonate and sodium bicarbonate was the name of the resulting hydrate that formed.

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Chemical equation represents a redox reaction :

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<h3>Further explanation</h3>

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2Li + MgCl₂ → 2LiCl + Mg

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\tt Li\rightarrow Li^+(0~to~+1)

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\tt Mg^{+2}\rightarrow Mg(+2~to~0)

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Which element is the least reactive? Neon, Chlorine, Gallium or Tin
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Addie mixes together a solution of 10 grams of
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= 15 milliliter × 10 gram/cubic centimeter

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5 0
3 years ago
A 250 mL sample of gas is collected over water at 35°C and at a total pressure of 735 mm Hg. If the vapor pressure of water at 3
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Answer:

The volume of the gas sample at standard pressure is <u>819.5ml</u>

Explanation:

Solution Given:

let volume be V and temperature be T and pressure be P.

V_1=250ml

V_2=?

P_{total}=735 mmhg

1 torr= 1 mmhg

42.2 torr=42.2 mmhg

so,

P_{water}=42.2mmhg

T_1=35°C=35+273=308 K

Now

firstly we need to find the pressure due to gas along by subtracting the vapor pressure of water.

P_{gas}=P_{total}-P_{water}

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Now

By using combined gas law equation:

\frac{P_1*V_1}{T_1} =\frac{P_2*V_2}{T_2}

V_2=\frac{P_1*}{P_2}*\frac{T_2}{T_1} *V_1

V_2=\frac{P_gas}{P_2}*\frac{T_2}{T_1} *V_1

Here P_2 \:and\: T_2 are standard pressure and temperature respectively.

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V_2=\frac{692.8}{750}*\frac{273}{308} *250

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