A race car travels 800 kilometers in 2 hours during a race. What was the average speed of the race car in km/hr.

Calculate the number of moles of sodium hydroxide in 8g of sodium hydroxide (NaOH). Na=23 O=16 H=1

Method that used to separate kerosine and water?

10.0 grams of octane are burned in a bomb calorimeter containing 2.00 * 102 g H2O. How much energy, in kilocalories, is released if the water temperature increases by from 25.00oC to 37.00oC?

The specific heat capacity of graphite is 0.71 J/g°C. Calculate the energy required to raise the temperature of 750 g of graphite by 160°C. Show your work.

How can describe electromagnetic waves with mechanical waves?

An alcohol contains only C, H, and O. When a 1.50mg sample of the alcohol is burned completely in oxygen, 3.30mg of CO2 and 1.80mg of H20 are formed. What is the empirical formula for the alcohol?

Using the field meter, does the field strength increase or decrease as you move away from the bar magnet?

Complete each of the definitions with the appropriate phrase. Precision means that measurements are close to Accuracy means that measurements are close to Anawer Bank each other an accepted value |individual several

Acetylene is hydrogenated to form ethane. the feed to the reactor contains 1.4 mol h2/mol c2h2. (find properties of the reactants/products in appendix of book) a.

Several properties of the element magnesium are shown. Which one is a chemical property?