A substance registers a temperature change from 20°c to 40°c. to what incremental temperature change does this correspond?

What isthe charaterics of matter?

Could hydrogen fuel replace fossil fuels in the future? Why or why not?

What is the best definition of etc reaction

Describe how visible spectroscopy could be used to determine the order of a reaction in which a single colorless reactant produces a colored product.

The decomposition reaction of N2O5 in carbon tetrachloride is 2N2O5-→-4NO2+O2. The rate law is first order in N2O5. At 64 °C the rate constant is 4.82*10-3s-1. (a) Write the rate law for the reaction. (b) What is the rate of reaction when [N2O5]=0.

Which of the following is an example of chemistry research in the main area of energy?. a. producing bioplastics. b. specific reactions between prescription drugs and chemicals in cells. c. developing rechargeable batteries. d.

A gas is sealed in a bottle at 25°C and 1.50 atm pressure. How must the storage conditions be changed to bring the gas to Standard Temperature and Pressure (STP) ? A. Increase the temperature by 25°C and decrease the pressure by 0.514 atm. B.

How many moles are in 25.2g of KMnO4?

Lewis diagram of Ozone

Name the feature of the ocean floor shown at A and describe how it's formed.