How much heat is absorbed by 20g granite boulder as energy from the sun causes its temperature to change from 10 degrees Celsius to 29 degrees Celsius (specific heat capacity of granite is 0.1 cal/g degrees Celsius

1. Given the hypotenuse of a 45°, 45°, 90° triangle is 8, find the length of the legs. Leave your answers in radical form if needed. 453 legs =

2. What is the molarity of 100 mL of a 3.0% H2O2 (mass/volume) solution? What is the molarity of 100 mL of a 2.25% H2O2 solution?

In a chemical reaction, if a color change is detected, if an odor change is detected, or if a precipitate is formed, then: a chemical reaction has definitely occurred only physical reactions have occurred a chemical reaction may have occurred both

What does temperature measure?

Why can a larger steering wheel be easier to use than a smaller steering wheel? A. A larger wheel has a greater mass. B. A smaller wheel has a greater mass. C. A larger wheel requires less effort force. D. A smaller wheel requires less effort force.

What is the nature of the Ca-Cl bond in a molecule of calcium chloride (CaCl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.167 O A nonpolar covalent B. moderately polar covalent C.

Which statement is true about oxidation and reduction in an electrochemical cell? (1) Both occur at the anode. (2) Both occur at the cathode. (3) Oxidation occurs at the anode and reduction occurs at the cathode.

For a solar eclipse to occur,

How many times does the citric acid cycle occur for each molecule of glucose?

Which planet is made of mostly gas