would tearing aluminum foil be a physical change

Calculate the ph of the resulting solution if 27.0 ml of 0.270 m hcl (aq is added to 37.0 ml of 0.270 m naoh (aq

The temperature of the carbon dioxide atmosphere near the surface of venus is 475°c. calculate the average kinetic energy per mole of carbon dioxide molecules on venus. 2520 j/mol 5920 j/mol 4150 j/mol 5920 kj/mol 9330 j/mol

A balloon is floating around outside your window. The temperature outside is - 5 ∘C, and the air pressure is 0.700 atm. Your neighbor, who released the balloon, tells you that he filled it with 4.80 moles of gas.

When referring to the solubility of different substances the phrase like dissolves like is often used as a guideline to select an appropriate solvent. the property referenced in like dissolves like is the?

When carbon dioxide is bubbled through a clear calcium hydroxide solution, the solution appears milky. Write an equation for this reaction, which illustrates that CO2 is an acidic oxide.

Provide an explanation at the subatomic level to explain why different colors are observed for different metal salts.

Indicate whether the following statements describe the primary, secondary, tertiary, or quaternary protein structure. (More than one can apply). A. R groups interact to form disulfide bonds or ionic bonds. B.

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.

Many things can cause an organism to become extinct. Here are some possible causes of extinction. Select the human causes of extinction.

Which word equation shows lithium oxide being formed from the reaction between oxygen and lithium? oxygen + lithium oxide Right arrow. Lithium lithium + oxygen Right arrow. Lithium oxide oxygen + lithium Right arrow.