Which of the following is not an example of a mineral crystal shape?

a. Kryptonite

b. Pyrite

c. Quartz

d. Calcite

Sometimes manufacturers do not want heat to be conducted through certain parts, such as the handles of pots, the steering wheels in cars, and swings on playgrounds. What material are these parts likely to be made out of?

Which compound contains a radical

Do respiration in cells releases energy or absorbs energy

You hold a handful of rocks and a handful of feathers. The rocks feel heavier than the feathers, even though you hold the same amount of both.

The fluoride ion is the conjugate base of the weak acid hydrofluoric acid. The value of Kb for F-, is 1.39*10-11. Write the equation for the reaction that goes with this equilibrium constant.

How many liters of oxygen gas, at 285 K and 1.2 atm, will react with 35.4 grams of calcium metal? Show all of the work used to solve this problem.

How many moles of H2So4 are in 2.50 L of 4.25 M aqueous solution?

A swimming pool measures 50.0 meters by 25.0 meters. How many grams of water are needed to fill the pool, whose average depth is 7.6 feet? Assume the density of water to be 1.0 g/mL. Use significant figures. Use "E" for scientific notation.

Enzymes called kinases are responsible for a. removing electrons from substrates b. enzymes that catalyze the transfer of protons from one molecule to another c. adding hydrogens to substrates d. adding phosphate groups (i. e.

Zn + Cl2 - ZnCl2 What is the type of reaction