This man is using a block and tackle to lift a heavy bale of cotton. the block and tackle contains which simple machine?

Name five atoms and the five colors that describe them?

If I have 5.6 liters of gas in a piston at a pressure of 150 kPa and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be? round to 2 decimal places

Name four components of the blood

Enter your answer in the provided box. From the following data, C (graphite) + O2 (g) → CO2 (g) ΔH o rxn = - 393.5 kJ/mol H2 (g) + 1 2 O2 (g) → H2O (l) ΔH o rxn = - 285.8 kJ/mol 2C2H6 (g) + 7O2 (g) → 4CO2 (g) + 6H2O (l) ΔH o rxn = - 3119.

Isopropanol burns in oxygen to yield carbon dioxide, water, and heat. Which word equation best represents this chemical reaction?

What is the bond type of CaO

Which of the following will increase the volume of a gas? O A. Decreasing the temperature of the gas O B. Decreasing the pressure applied to the gas O C. Decreasing the number of gas molecules O D. Decreasing the size of the gas molecules SUBN

Equal masses (in grams) of hydrogen gas and oxygen gas are reacted to form water. Which substance is limiting? a. Oxygen gas is limiting b. Hydrogen gas is limiting. c. Water is limiting. d. Nothing is limiting. e.

Can you think of another way the Egyptians might have tried to reduce friction to move the heavy blocks?

A 6.7 kg object moves with a velocity of 8 m/s. What's its kinetic energy