What is the concentration of H + ions at a pH = 11?

H2 and Fe represent

Are permanent markers truly permanent? Explain

Give an activity to show that gases are highly compressible as compared to solids.

When 2.246 grams of a calcium chloride hydrate was heated, 0.728 grams of water were released. Determine the formula of the hydrate (Hint: take the same approach as for the copper (II) sulfate hydrate).

If 64 grams of o2 gas occupy a volume of 56 liters at a temperature or 25°c, what is the pressure of the gas, in atmospheres (atm) ?

What is a contributor of global warming? a. aerosol sprays b. carbon dioxide c. acid rain d. garbage

How is momentum similar to inertia? Explain.

Suppose that 0.00150 moles of CO2 (44.0 g/mol) effuse out of a pinhole in 1.00 hour. How many moles of N2 (28.0 g/mol) would effuse out of the same pinhole in 1.00 hour? Assume both gases are at the same temperature and pressure.

How do you make glue from jack fruit sap?

A compound is broken down by chemical means during (1) chromatography (2) distillation (3) electrolysis (4) filtration