A certain ore is 26.9% nickel by mass. How many kilograms of this ore would you need to dig up to have 50.0 g of nickel?

Consider three 10g samples of water: one as ice, one as a liquid, and one as a vapor. How does the volume of the vapor sample compare with the other?

Kat is investigating a compound and sees that it has even stronger hydrogen bonds than water. What can kat conclude is most likely true about the specific heat of this compound

What is the composition and percentage of the gases in Earth's atmosphere?

What is the electron configuration of chlorine (cl? 1s22s22p63s23p3 1s22s22p63s23p5 1s22s22p63s24s23p3 1s22s22p63s23p23d3?

Which of these requires accurate coefficients in a reaction? a Molar ratio b Molar mass C Molar volume

100 ml oxygen at 1.75 atm and 200ml nitrogen at 0.6 atm are passed to a 500 ml vessel. Calculate the total pressure of the mixture in the vessel at same temperature

Which is the best metal to use in an alloy to increase its electrical conductivity

Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor. a. True b. False

How much ice at a temperature of - 17.5 ∘C must be dropped into the water so that the final temperature of the system will be 31.0 ∘C?

Why does a gas fill completely the vessel in which it is kept?