A reaction between zinc and hydroelectric acid can be slowed down by

A. Cooling the acid

B. Using large lumps of zinc instead of zinc powder

C. Using dilute acid rather than concentrated acid

D. All of the above

A sample of argon gas has a volume of 5.49 L and a temperature of 15.2◦C. Find the new volume, in Liters, of the gas if the temperature increases to 42.1◦C at constant pressure and amount of gas

The gauge pressure inside a vessel is - 40kPa, at an elevation of 5000m. a) What is the absolute pressure? b) At this elevation, what temperature does water boil?

Aluminum has a specific heat of 0.902 j/gC. How much heat is lost when a piece of aluminum with a mass of 23.984 g cools from a temperature of 415 degrees to 22 degrees?

Which of the following is typical of an endothermic reaction? The reaction container is warm. The reaction container is cold. Light is a product of the reaction. Sound is a product of the reaction.

How many milliliters of a 3.0 M HCl solution are required to make 250.0 milliliters of 1.2 M HCl?

What are some facts about the element Rutherfordium

Luis set a glass of ice water out side is the sunshine. when he looked at the glass 10 minutes later, the contents had changed. what kind of change happened to the ice water? A. evaperation B. conduction C. chemical change d. sudden change

A substance is considered to have a smaller surface area when ... A. it is a fine powder B. it is in large chunks C. you have a small amount of the substance D. you have a large amount of E. the substance

Which is the noble gas notation for chlorine? A-[Ne] 4s2 4p5 B-[Ne] 3s2 3p5 C-[Ne] 3s2 3p3 D-[Ne] 3p2 3p5

Is argon long hand or noble gas