The rate constant for the first-order decomposition of cyclobutane at 500 °C is 9.2 x 10-3 s-1. How long will it take (in seconds) for 80.0% of a sample of C4H8 to decompose?

You are trying to determine the volume of the balloon needed to match the density of the air in the lab. You know that if you can get the balloon's density below this value, it will float.

One mole of liquid water and one mole of solid water have different (1) masses (2) properties (3) empirical formulas (4) gram-formula masses

The radii of the sodium and potassium ions are 102 pm and 138 pin. respectively. Which compound has stronger ionic attractions, sodium chloride or potassium chloride?

Which of the following is a product in the following reaction (glucose+fructose->sucrose + H2o/water)

An element forms a negative ion when ionized. what side of the periodic table is it located on?

State the relationship between the number of electrons in a carbon-nitrogen bond and carbon-nitrogen bond energy

What are the characteristics of bones?

If 294 grams of FeS2 is allowed ti react with 176 grams of O2 according to the following equation how many grams of Fe2O3 are produced? FeS2 + O2 = Fe2O3 + SO2

Convert 3.57 moles of aluminum to grams

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?