Which of the following aqueous solutions will have the lowest vapor pressure at 25°C?

1.0 M Fe (NO3) 3

2.0 M C6H12O6

1.0 M KNO3

2.0 M CaCl2

A sample of nitrogen has a volume of 50.0L at a pressure of 760mmHg. What is the volume of the gas at each of the following pressures if there is no change in temperature? A. 1500mmHg B. 4.00 atm C. 0.500atm

A helium balloon contains 0.48g of helium. Given the molecular weight of helium is 4.0 g/mol, how many moles of helium does it contain?

What is described in the following equation? 2H2 (g) + O2 (g) → 2H2O (l) A. hydrogen gas combining with oxygen gas to form water B. hydrogen gas combining with water gas to form hydroxide C. water decomposing to oxygen gas and hydrogen gas D.

Round to four significant figures 0.00238866

which would you think would be a stronger interaction and why: an interaction between a sodium ion and the prtial negative charge on the oxygen in ethanol, or the interaction between two ethanol molecules

How do you neutralize an acid?

true or false weight is the measure of the pull of gravity

Balance the equation: CaC2 + O2 → Ca + CO2

A blank studies and forecasts the weather using data gathered from many surfaces

A patient needs 0.024 g of a sulfa drug. There are 6-mg tablets in stock. How many tablets should be given? Express your answer as an integer.