Is blood an homogenous or heterogeneous mixture?

What is a gas made up of three oxygen molecules bonded together that occurs naturally in the upper atmosphere?

Write the complete balanced equation for the following reaction: CH3CH2OH + O2 arrow CO2 + H2O

Bacteria are smaller than viruses. True False

2. Draw a structural formula for 3,4-hexene (C6H12), which has a double bond between the number 3 and 4 carbons in the chain. What class of compound is it, and what feature distinguishes it as that class?

Which reaction will shift to the right in response to a decrease in volume? a) n2 (g) + 3h2 (g) 2nh3 (g) b) h2 (g) + cl2 (g) 2 hcl (g) c) 2 so3 (g) 2 so2 (g) + o2 (g) d) 2hi (g) h2 (g) + i2 (g) e. 2 fe2o3 (s) 4 fe (s) + 3o2 (g) ?

Which statememt describes gravity? Select three options

Unlike solids, gases can

The Doppler effect changes the A) Frequency due to motion B) Speed of sound due to motion C) Speed of light due to motion D) Radar waves in a police car

How many isomers does propane have? 2 6 3 5

Calculate the mass of solid ammonium chloride required to mix with 100 ml of 1.0m ammonia to prepare a 9.25 ph buffer