Answer:
1. Find the molar mass of NO2 (46.01)
2. Find the number of moles in 25 g of NO2 (by dividing 25 by the molar mass) 25/46.01 = .54
3. For every 3 moles of NO2 there are 2 moles of HNO3. multiply the number of moles of NO2 by 2/3
.54 x 2/3 = .36
4. Finally, multiply this number by the molar mass of HNO3 (63.018)
.36 x 63.018 = 22.68 g HNO3
Explanation:
Force is equal to mass multiplied by acceleration, therefore
F=ma
m=2569.6 kg
a=4.65m/s^2
<span>therefore F=2569.6*4.65=11948.6 (correct to 1 d.p.)</span>
When vinegar was added to baking soda, A new product is formed as foam. Hence, it is s a chemical change.
<h3>What is chemical change ?</h3>
A chemical change results from a chemical reaction forming new products while a physical change is when matter changes forms but not chemical identity.
Foam up with carbon dioxide gas,all of baking soda can be made react and disappear into vinegar solution and thus chemical reaction completes.
Hence, When vinegar was added to baking soda, A new product was formed Hence, it is s a chemical change.
Learn more about chemical change here ;
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