Atoms of what two elements are in every organic compound?

a. calcium and helium

b. carbon and oxygen

c. cobalt and hydrogen

d. carbon and hydrogen

Which of the following is true of biochemistry

What happens to polyester slacks if aqueous naoh is spilled on them? What happens to polyester slacks if aqueous is spilled on them?

To accurately measure out 35 milliliters of liquid, you should use: a 10-mL glass pipette several times a 50-mL beaker a 25-mL graduated cylinder two times a 50-mL graduated cylinder one time

What is the identity of a sample that has a mass of 25.0 g and a volume of 2.38 cm3? A. aluminum B. silver C. iron D. lead

How many atoms does a neutron have

You just found a metallic object in a creek bed. From the following tests and Figure 2, determine what it is. 96.5g will balance the object. Its mass is g. The object displaces 5 mL of water. Its volume is cm 3. The density of the object is g/cm 3.

Extend your thinking: Why do you think the temperature does not change much during a phase change? If possible, discuss your answer with your classmates and teacher.

Which bond has the least degree of polarity? K-o Li-o No-o Rb - 0

What happens when a glass is filled to the brim with water and an ice cube is in the glass already what would happen to the level of water when the ice cube had melted?

Explain how a nuclear power plant uses the process of nuclear fission to produce electricity.