The mechanical advantage of a door knob that allows you to move a boli

0.01 m by moving the handle 0.50 m is

A. 0.05

B. 0.50

C. 5.0

D. 50

Under which conditions does the molar volume of a gas decrease? at 273 K and at 2.0 atm at 273 K and at 0.5 atm at 409.5 K and at 1.0 atm at 546 K and at 2.0 atm

Which of these statements is correct? a. Particles in a suspension will settle out if left undisturbed. b. A solution is heterogeneous. c. A colloidal system does not exhibit the Tyndall effect. d.

Colligative properties are a. chemical properties. b. physical properties. c. biological properties. d. none of these

Lithium bettery structure and better charge rate

The compound CO2 is made of two atoms of cobalt. one atom of cobalt and two atoms of oxygen. two atoms of carbon and one atom of oxygen. one atom of carbon and two atoms of oxygen.

The given potentials are observed for a calomel electrode: E ° = 0.268 V and E (saturated KCl) = 0.241 V. Use this information to predict the value of E for a silver-silver chloride electrode saturated with KCl.

How many dozen of eggs are there in 3500 eggs?

Explain what happens during a solar eclipse

Group 8A of the periodic table contains the A. most reactive nonmetals. B. least reactive nonmetals. C. most reactive metals. D. least reactive metals.

If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature? (205)