A compound contains two elements, sulfur and oxygen. in a sample of the compound, the mass of sulfur is 6.41 grams. the mass of the oxygen is 9.60 grams. what is the percentage composition of the compound

Suppose the half-life is 35.5 s for a first order reaction and the reactant concentration is 0.0700 M 28.6 s after the reaction starts. How many seconds after the start of the reaction does it take for the reactant concentration to decrease to 0.

James Hutton: developed the concept of plate tectonics based his theories on the Neptunist view of crust formation developed the theories of erosion and deposition was the founder of the Plutonist theory of crust formation

Be sure to answer all parts. Nitrogen dioxide decomposes according to the reaction 2 NO2 (g) ⇌ 2 NO (g) + O2 (g) where Kp = 4.48 * 10-13 at a certain temperature. If 0.

What is pressure? O A. The force of gas molecules hitting their container O B. The space occupied by gas molecules moving around O C. The heat required to change the temperature of a gas O D. The mixing of gas molecules due to random motion

Compute 9.3456+2140.56. Round the answer appropriately.

How much water needs to be added to an 18.0 M stock solution of sodium hydroxide in order to make 450.0 mL of 0.250 M sodium hydroxide solution?

The quatum number 1 describes what

The formula is used to calculate the yield of a reaction.

What do you think about our current forms of recycling and why?

A sample of a hydrate has a mass of 5.026 g. After it is heated, it has a mass of 3.492 g. What is the percentage by mass of water in the hydrate? 1. 19.40% 2. 27.92% 3. 30.52% 4. 69.48%