0.249 g of a common diatomic gas occupies a volume of 250. ml at 120°c and 760 mmhg. using a periodic table, what is the identity of this element?

What is the molecular formula of a compound with the empirical formula SO and molecular weight 96.13? A. SO B. S2O2 C. SO2 D. S3O3

How do you draw the chemical structure of coconut oil?

Hydro caloric acids + calcium =

Density is mass per I'm it of volume. Which pair of lab instruments would a student use to measure the density of a seawater

Which equation represents the reduction half-reaction for this redox equation? Mg + CuSO4 MgSO4 + Cu A. Cu Cu B. Cu + 2e - Cu C. Cu Cu + 2e- D. Cu + 3e - Cu,

The specific heat of aluminum is 0.897 J/g•°C. Which equation would you use to calculate the amount of heat needed to raise the temperature of 0.75 g of aluminum from 7°C to 29°C? A. Q = 0.75 g x 0.897 J/g•°C x 22°C B. Q = 0.75 g x 0.

Carbon dating advisable for measuring materials ages for a few years, thousands of years, millions of years

What is the pH of a solution with [H+] = 7.0 x 10^-2?

A compound is a pure substance made of 2 or more types of elements that are chemically bonded True or false

In a chemical reaction, 300 grams of reactants are combined with 100 grams of reactant b. both a and b react to completion. how much will the product weigh