I NEED HELP ASA Objects with similar volume always have the same mass.

True or false?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2