Define physical equilibrium in chemistry

What is the mass in grams of the Hope Diamond, the world's largest blue diamond at 44.4 carats?

To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 3.1-L bulb, then filled it with the gas at 1.00 atm and 28.0 °C and weighed it again. The difference in mass was 3.5 g. Identify the gas.

Express 602 X 10^21 in scientific notation

Diseases that can be transmitted between organisms are

A hydrogen electron is elevated from level 1 to level 2. Another electron is elevated from level 2 to level 4. The transition requiring the greatest energy change is level 1 to level 2level 2 to level 4both require the same amount of energy

Which of the following is the correct name for the compound hgs? mercury sulfide mercury (i) sulfide mercury (ii) sulfide mercury monosulfide?

Which of these has the most impact on the apparent brightness of a star seen from Earth? Gravitational pull, temperature of star, distance from earth, earths orbital pattern

What are 6 abiotic factos from finding nemo?

Which of the following is an element? a. carbon monoxide gas (co) b. magnesium chloride salt (mgcl) c. hydrochloric acid (hcl) d. zinc metal (zn)

Describe the formation of an aqueous KI solution when KI dissolves in water