A sample of a marble has a volume of 8 cm^3 and a density of 2.75 g/cm^3. What is it's mass

What volume (ml) of 3.0 m naoh is required to react with 0.8024-g copper (ii) nitrate? what mass of copper (ii) hydroxide will form, assuming 100% yield?

Every object in the universe is always exerting force and is measured as

Is air pressure greater at the equator than at the north pole?

What structure in plants allows them to perform photosynthesis? In science

Balance the following chemical equation. Mg + N2 → Mg3N2 A. 3 Mg + N2 → Mg3N2 B. 3 Mg + 2 N2 → Mg3N2 C. 6 Mg + 2 N2 → 3 Mg3N2 D. Mg + N2 → Mg3N2

12 Two molecules of HBr collide and then form H2 and Br2. During the collision, the bonds in the HBr molecules are

If the two charges represented in the figure were brought near each other, they would a. have no effect on each other. b. repel each other. c. cause static discharge. d. attract each other.

A gas tank holds 20000 liters at 850 torr. If the temperature remains constant, what will the volume, in L, of the gas be at standard pressure, 760 torr?

Which Group (column on the Periodic Table) is the least soluble?

When ironing clothes, the primary method of heat transfer is A) conduction. B) convection. C) insulation. D) radiation.