Examples of solid mixtures in a classroom

Explain why and how adding heat to material will change its density?

Betsy drives at 10 m/s on an entrance ramp and enters a highway where she increases her speed to 24 m/s in only 3 seconds. What was Betsy's acceleration?

Which are most closely associated with an element on the periodic table? a.) those in the same state (i. e., solid, liquid, gas) b.) those in the same row c.) those in the same column

What would be the result of changing the number of each subatomic component on an atom?

The number of moles of H2O produced from 339 grams of SnO2

When you open a bottle of a soft drink and leave it open, the drink eventually goes flat. this happens because the equilibrium between carbonic acid and carbon dioxide shifts to produce?

When you go down a group, does the tendency for a metal to react (become duller) increase or decrease?

The force of gravity on Planet B is 3.4 m/sec2. A box weighs 34 N on Earth. What is the mass of the box? a) 3.47 kg b) 333.2 kg c) 115.6 kg d) 10 kg

Assume that 4 molecules of nitrogen and 9 molecules of hydrogen are present? after complete reaction, how many molecules of ammonia are proceded?

Which of the following are chemical changes? Check all that apply. A. sugar is dissolved in water B. A warm coke bottle fizzes when opened C. The Copper roof turns green over time D. Baking soda is dissolved in vinegar and bubbles appear E.