What might happen in a tropical rainforest biome if the area received very little rain for an extended period of time

What percentage of boys Chose walking

A reaction is second order respect to the reactant A. If the reaction is 85% complete in 12 minutes, how long would it take for the reaction to be 15% complete? a. 110s b. 27s c. 62s d. 130s e. 22s

What coefficient would the O2 have after balancing C4H10 + 02 → CO2 + H2O? A. 5 B. 2.5 C. 4 D. 6.5

Which two of the given elements have the most similar chemical properties na, Ar, As and Rb

For light elements, what is the ratio of neutrons to protons that predicts a stable nucleus?

5 atoms Pb to mol Pb

The diagram above shows the results of Rutherford's experiment in which he used a radioactive source to "shoot" alpha particles at a thin sheet of gold foil. Based on these results, what were Rutherford's conclusions? A.

Raphaela wants to enter the school science fair and has a list of ideas for a project. Which questions could she answer through scientific investigation? Check all that apply.

When you open a solid room air freshener, the solid slowly loses mass and volume. how do you think this happens?

Part a how many grams of xef6 are required to react with 0.579 l of hydrogen gas at 6.46 atm and 45°c in the reaction shown below? xef6 (s) + 3 h2 (g) → xe (g) + 6 hf (g)