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The evaporation of water is an endothermic process. This is because water must (blank)

heat for it to occur.

A) absorb

B) COnVert

C) Produce

D) ease

In this process, a piece of paper with small holes in it separates a heterogeneous mixture by letting through the small particles and keeping out the big ones. That is called as

How many moles of gold atoms are in 2.8 x 10 21 atoms of gold?

How many liters of octane are in a shipping container that contains 45 moles? A. 45 liters B. 450 moles C. 2 moles D. 1,008 liters

Half life worksheet answer key 1. How long does it take a 100.00g sample of As-81 to decay to 6.25g?

How is the ocean important to human survival? restate the question

The Suns ultraviolent Rays can cause skin damage including sunburn and even skin

Peas contain 250 kJ per 100 g. You would use the equivalent of 600 g of peas if you slept for.

A sample of gas in a balloon has an initial temperature of 21 ∘C and a volume of 1310 L. If the temperature changes to 70 ∘C, and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?

Which is a waste product of aerobic respiration? A. water B. energy C. oxygen D. glucose

Match the following: Part A 1. matter with no definite shape or volume 2. matter with no definite shape but with definite volume 3. the process of a solid changing directly to a gas without forming a liquid 4.