Find the radius

(r)

of an aluminum cylinder that is 2.40

cm

long and has a mass of 13.0

g

. For a cylinder,

V=π

r

2

l

. (The density of aluminum is 2.70

g/c

m

3

.)

State in which a substance has definite shape and a definite volume

Where is the carbon in a temperate

What is the chemical formula for zinc carbonate? (1) ZnCO3 (2) Zn (CO3) 2 (3) Zn2CO3 (4) Zn3CO3

Rocks are grouped according to

An example of an adaptation that gives an organism greater access to energy

Which fossil fuel is the most widely consumed in the United States? A. petroleum B. natural gas C. peat D. coal

Why is the use of natural gas as a full becoming more common

A swimming-pool worker wants the pool's pH to be 7.2. She comes by to test the water and finds that the pH is 9.2. What should she do to correct this situation? A. Add water. B. Add base. C. Add acid. D. Do nothing.

What type of rock is sandstone

According to the Br? nsted-Lowry theory, water A. acts as a base when it accepts a hydrogen ion. B. can be neither an acid nor a base. C. can act as an acid by accepting hydrogen ions. D. can accept but not donate hydrogen ions.