A sample of hydrogen is collected in a flask

over water. The partial pressures are 736 torr for

H, and 22 tort for H2O. What total pressure is

exerted by the mixture of gases?

In terms of collisions between particles why does the light begin shining brightly and dum overtime

Fructose and galactose both have six carbon atoms, twelve hydrogen atoms and six oxygen atoms, just like glucose. a friend of yours says: "since those sugars have the same number of atoms, they should have the same name.

Helium (He), neon (Ne) and argon (Ar) are all colorless, odorless gases with low chemical reactivity. Based on the periodic table, which of the following is correct? A. Chlorine (Cl) is a colorless, odorless gas with low chemical reactivity. B.

An oxygen molecule contains a double bond because the two atoms of oxygen share a total of (1) 1 electron (3) 3 electrons (2) 2 electrons (4) 4 electrons

What is thermodynamics? Why is this subject of importance to chemists? Explain why there is a natural direction of change for all spontaneous processes.

The week of Feb. 29, 2016, PBS aired a documentary on sending humans halfway to space in the late 1950's using balloons. They filled different balloons with different gases - some with H2 and some with He. Which balloon should go higher? Why?

What form of energy provides power for a gas stove? A. nuclear energy B. electrical energy C. chemical energy D. sound energy Can you explain the answer for me?

Calculate the amount of HCN that gives the lethal dose in a small laboratory room measuring 12.0 ft*15.0 ft*8.60ft.

A certain ore is 34.4% nickel by mass. How many kilograms of this ore would need to dig up to have 30.0g of nickel?

Are the chemical reactions that take place when a battery connected endothermic or exothermic