A compound contains 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen (by mass). calculate the empirical formula.

The molar volumes of solid and liquid lead at the normal melting temperature of lead are, respectively, 18.92 and 19.47 cm3. calculate the pressure

Which of the following best characterizes the reaction below? AB + energy → A + B catabolism endergonic reaction exergonic reaction hydrolysis

What is the term given to a solution that contains the maximum amount of dissolved solute?

How many flies can fit into a 10 oz coffee cup?

What is the chemical equation for photosynthesis?

One liter of ocean water contains 35.06 g of salt. How much salt is present in 3.79 L of ocean water? Express your answer in grams using the correct number of significant figures. Do not enter your answer using scientific notation.

If I have 325 mL of oxygen gas at a temperature of 25°C, and I heat it to a temperature of 75°C, what is the new volume (in mL) ?

C5H8 + _02 = 8h2o+5co2

Which statement about enzymes is true? They are large molecules that decrease the rate of reactions in the body. They are large molecules that increase the rate of biologicallyimportant reactions. They slow the rate of chemical reactions.

How many seconds are you in school every week?