How many oxigen are need it to produce two moleculas of water molecules

What is the vapor pressure at 20 °c of an ideal solution prepared by the addition of 7.38 g of the nonvolatile solute urea, co (nh2) 2, to 56.9 g of methanol, ch3oh? the vapor pressure of pure methanol at 20 °c is 89.0 mm hg. a. 5.75 mm hg b?

What is the charge bicarbonate

71.89 g CO2 = _g C6H12O6

My sister needs this answered! Donald is creating an experiment to determine if fertilizer affects plant color. He makes this statement: "If each plant receives a different amount of fertilizer, then the plant's color intensity will change.

What is the correct electron configuration of an ion of calcium, ca+2?

What is similar to iodine by chemical characteristics

The arrangement of electrons in the orbitals of an atom

A sample of C3H8 has 4.64 * 1024 H atoms. How many carbon atoms does the sample contain?

What is the value of 200c on a Kelvin scale

Calculate the moles of new H₂ O₂ using the balanced formula below and the average moles of KMnO₄ from calculation #2. The average moles of KMnO₄ is 0.90mol. 2KMnO₄ + 5H₂O₂ + 3H₂SO₄ → K₂SO₄ + 2MnSO₄ + 8H₂O + 5O₂ Edit: I got 2.