Object A has a density of 10 g/cm3 and a mass of 9 g. Object B has a density of 10 g/cm3 and a mass of 4 g. Which object has a greater volume and by how much?

Gypsum is a mineral that is used in the construction industry to make drywall (sheetrock). The chemical formula for this hydrated compound is CaSO4 2 H20. A hydrated compound contains water molecules within its crystalline structure.

What is the mass in grams of 1.50 moles of sodium chloride

Where does condensation occur A. Hydrosphere B. biosphere C. lithosphere D. atmosphere

What percentage of the filtrate's water that enters bowman's capsule is reabsorbed into the blood? select one: a. 99 percent b. 80 percent c. 50 percent d. less than 25 percent?

For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product (s) ? Choose all that apply. a. C (s, graphite) + O2 (g) →CO2 (g) b. Li (s) + 12Cl2 (g) →LiCl (s) c. Li (s) + 12Cl2 (l) →LiCl (s) d. 2Li (s) + Cl2 (g) →2LiCl (s) e.

A chemistry student was asked to draw the electron configuration for carbon. Explain what is wrong with the electron configuration below. What rule did the student violate (Aufbau principle, Pauli Exclusion principle, or Hund's rule) ? 1s22s23p2

During a laboratory experiment, 36.12 grams of Al2O3 was formed when O2 reacted with aluminum metal at 280.0 K and 1.4 atm. What wa volume of O2 used during the experiment? 302 + 4A1 - 2A1203

The relative abundance of the two isotopes is 99.9999 percent and 0.0001 percent, respectively. 1.0066 amu 3.0160 amu 3.5903 amu 4.0026 amu

Which real world scensories below respent physical changes check all that apply

Why are bacteria are able to evolve rapidly