Write a balanced equation for the combustion of 1 mol of c8h18 (l). express your answer as a chemical equation including improper fractions for fractional coefficients. identify all of the phases in your answer.

Suppose we want to charge a flask with 1.9 g of sugar. We put the empty flask on a balance and it is determined to weigh 450 g. Enter the weight we would expect to see on the balance when we're done adding the sugar.

4. A serving of cereal contains about of protein 9 mg 9 g 90 g 9 kg

Eukaryotic cells of plants and animals differ from prokaryotic cells in that eukaryotic cells have a cell wall. cell membrane vacuole nucleus

What are the products when anaerobic respiration occurs in yeast cells? Carbon dioxide, water, and energy Carbon dioxide, ethanol, and energy Lactic acid and energy Glucose, oxygen, and energy

What is the formula for potassium sulfide? a. k2s2 b. k2s c. ks d. ks2

Calculate the volume of c2h2 that is collected over water at 23 ∘c by reaction of 1.53 g of cac2 if the total pressure of the gas is 755 torr. (the vapor pressure of water is 21.07 torr.)

A realistic representation of population growth is the?

Lithium-6 has a mass of 6.0151 amu and lithium-7 has a mass of 7.0160 amu. The relative abundance of Li-6 is 7.42% and the relative abundance of Li-7 is 92.58%.

Describe how the land and ocean nitrogen cycles are similar

How are solids and liquids different than gases in terms of volume changes