Facts about homogeneous mixtures

Is it possible for a balloon with an initial pressure of 200.0 kPa to naturally expand to four times its initial volume when the temperature remains constant and atmospheric pressure is 101.3kPa?

How many moles of zinc are in 4.70 kg of zinc?

Which can be changed when balancing a chemical equation, the coefficient or the subscripts? Why?

How does water's dissolving power support life on Earth?

Zn is less active than mg write the equations decribing what occurs when you mix, zn with o. 5 m magnesium chloride, mgcl2 if no reaction occurs write n. r

The mass of a solid copper penny is 3.46 g. how many copper atoms are in the penny?

Consider a situation in which 211 g g of P4 P 4 are exposed to 240 g g of O2 O 2 . What is the maximum amount in moles of P2O5 P 2 O 5 that can theoretically be made from 211 g g of P4 P 4 and excess oxygen?

What is the total pressure when 0.400 g of H2, 2.00 g of N2, and 10.5 g of CO2 are injected into a 10.0 liter flask at 273 K?

The balanced chemical equation for the combustion of methane is: CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (g) Which of the following statements concerning this chemical equation is/are correct? 1.

In one kind of nuclear reaction, two nuclei fuse, or join together, to form a larger nucleus. This kind of reaction happens only at very high pressures. Explain why such high pressures are necessary to cause these reactions to occur.