3 Answered Questions for the topic Chemistry Math Help

08/23/18

Carry out the following operations and express the answer with the appropriate number of significant figures: [(285.3x10^5)-(1.200x10^3)]x2.8954
How do I solve this problem with the scientific notation? And when it comes to the rules of significant figures, do I use the rule pertaining to subtraction or the one pertaining to... more
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07/26/18

Chemistry chemical reaction rate questions
For the reaction 4NH3 + 7O2 --> 4NO2 + 6H2O.   a.) Provide a valid expression for the reaction rate   b.) How is the rate at which O2 disappears related to the rate at which NO2 appears in... more
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Chemistry Math Help

04/07/18

Liters and kPa
Boyle’s law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 10L, the pressure is 76kPa. What is the volume when the pressure is 40kPa
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