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vazorg [7]
3 years ago
6

Which reacts faster, rock salt or grains of salt? Why?​

Chemistry
1 answer:
sweet-ann [11.9K]3 years ago
5 0

Answer:

salt

Explanation:

because it has a much larger volume ratio

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Explanation:

what's li and na stand for ?

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What is the percent mass oxygen in calcium carbonate (CaCo3)?
Gnoma [55]
  <span>Step 1 is to determine the mass of each part 
Mass of Ca is 40.08 g 
Mass of C is 12.01 g 
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Step 2 is to determine the total mass of the compound 
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Step 3 is to determine the % of each part using the following formula: 
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Step 4 is to double check by adding all percentages. If they equal 100, then I probably did it right. :) 
40.04 
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2 years ago
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What is the density of a block of marble that occupies 277 cm3 and has a mass of 928 g? Answer in units of g/cm3 .
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8 0
3 years ago
A student Increases the temperature of a 417 cubic centimeter balloon from 278 K to 231 K. Assuming constant pressure what shoul
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Initial Conditions:
Volume= v1= 417 cm³
Temperature= T1 = 278 K
 
Final Conditions:
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Volume = v2 =?

Use the general gas equation;

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As, the temperature is constant;
 So,
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                                              417/278 = v2/231
                                                  v2= 346.5 cm³                                           
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