1. How many grams of CO2 would be formed from 20 grams of C8H10 in the following (UNBALANCED) reaction?
C8H10 + O2 --> CO2 + H2O

2. How many moles of CO2 would be formed from 40 grams of CaCO3 in the following (UNBALANCED) equation?
CaCO3 + HCl --> CaCl2 + CO2 + H2O

3. A gas sample has an original volume of 700 ml when collected at 750 mm and 25oC. What will be the volume of the gas sample if the pressure increases to 810 mm and the temperature increases to 30oC?

4. A gas sample has an original volume of 550 ml when collected at 740 mm and 30oC. If a change is made in the gas temperature which causes the volume of the gas sample to become 700 ml at 1.00 atm, what is the new temperature?

5. A sample of SO2 gas which weighs 1.50 grams has a volume of 1.40 liters when collected at 45oC. What would be the pressure of the gas sample?

Solution Summary

The mass or moles of the products are calculated using the balanced chemical equation. Also, it includes several applications of ideal gas law.

... 2. Balancing Equations and the Mole Concept: a) Balance the ... d) Balance the equation and determine the mass (grams ... n n = 0.15mol e. The balanced equation is: Fe ...

... This is the balanced equation. ... on this, the moles need to be low to balance the ideal... reacts with O2 according to the following UNBALANCED equation: CH4 + O2 ...

... on the other side of the equation to balance the increasing ... This yields a balanced equation. Using ideal gas law to solve interfacial surface tension problem. ...

... This equation is balanced out. ... How to find out the correct chemical equation, the molecular ... and how to calculate the amount of product using the ideal gas law. ...

... Write the balanced equation here: (f) Calculate the experimental error from the difference ... the NaCl left in the flask in order to balance the equation? ...

... (a) Write the balanced equation for the ... Now based on the ideal gas law, P = 785 mmHg = 785 / 760 atm, T = 25 °C = 273 + 25 = 298 K PV = nRT ( ) -1 -1 nRT ...

... The equation is balanced. Take a look at the fifth reaction: KClO3 KCl + O2 To balance the O, you need to find the least common multiple, in this case 6 ...

... 2. Take a balance from the Tools shelf and drop ... in the 100 mL volume using the following proportionality equation: ... For ideal gases, PV/T is constant, and at STP ...

... Equilibrium law for Ideal Gases. Equilibrium Constant:- Kp. Let us consider a general reaction represented by the balanced chemical equation. aA+ bB -> mM+ nN. ...