How many grams of peroxide, H2O2, are needed to react completely with 852g of hydrazine, N2H4, in the
following reaction: N2H4 +7H2O2® 2HNO3 + 8H, O?

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space