When a spring is compressed, the energy chaneges from kinetic to potential. Which best describe what is causing this change?

A plant grows into a shrub a physical or chemical change? Explain why?

A 1.40 L sample of O2 at 645 Torr and 25 °C, and a 0.751 L sample of N2 at 1.13 atm and 25 °C, are both transferred to the same 2.00 L container at 25 °C. What are the partial pressures of the two gases and the total pressure inside the 2.

What is the term for atoms of the same element that differ in their mass numbers?

How many grams of K2CO3 are needed to prepare a 400.0 mL of a 4.25M solution? 1.7 g 235 g 81.3 g 138 g

Is the Crest of a wave, the top or bottom?

When do scientist rely on estimates

Based on the diagram below, rank the three objects from least dense to most dense. Beaker and objects A. Object X, object Z, object Y. B. Object Z, object Y, object X. C. Object X, object Y, object Z.

Which of these statements are not true about a chemical reaction rate? A) Temperature does not affect the reaction rate. B) Temperature can decrease the reaction rate. C) The amount of reactants can increase the reaction rates.

What is calcium's matching element

Potassium chlorate decomposes according to the following chemical equation: 2KCIO3 - - 2KCI + 3O2 If you start with 458g of KCIO3, what mass (g) of O2 will be produced? 83.71 L O2 179.39 L O2 687 L O2 67.2 L O2