Which group of molecules have c h and o in the ratio of 1 2 1?

in a thermonuclear device, the pressure of 0.050 liters of gas within the bomb casing reaches 4.0x10^6 atm. When the bomb causing is destroyed by the explosion the gas is released into the atom sphere where it reaches a pressure of 1.00 atm.

What evidence is there that indicates ink is a mixture?

A 2.950*10-2 M solution of glycerol (C3H8O3) in water is at 20.0∘C. The sample was created by dissolving a sample of C3H8O3 in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 998.

21 pts. Sodium reacts with oxygen to produce sodium oxide as described by the balanced equation below. If 54.1g of sodium reacts with excess oxygen gas to produce 61.8g of sodium oxide, what is the percent yield? Show all work.

When you mix calcium hydroxide base with hydrochloric acid. What salt is produced?

Correctly identify the generic formula for a synthesis reaction. a. AB + A+B b. A+B → AB c. CxHx + O2 → CO2 + H2O d. AB + C + AC + B e. AB + CD → AD + CB

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?

Watch the animation, then check off the samples that will conduct electricity. Check all that apply. View Available Hint (s) Check all that apply. NaCl solution Solid NaCl Solid sugar Sugar solution

Burning wood represents a chemical change. True or False?