A person has a mass of 1000g and an

acceleration of 20 m/s/s. What is the force on

the person?

A.) 20000 N

B.) 2000N

C.) 20N

D.) 200N

A chemist burns a serving of peanuts in a calorimeter and sees that 150000 j of energy is released what should the nutritional label say

Why is the stability of a compound considered a chemical property

What causes jet stream? Answer in 2-3 sentences

Carbon-14 dating assumes that the carbon dioxide on earth today has the same radioactive content as it did centuries ago.

Tetrafluoroethane, C2F4H2, is one of the compounds contributing to global warming. This compound contains

How do scientist know that atoms and molecules combine in well-ordered arrays?

Explain why potassium and argon react together

Which indicator will be the same color in hydrochloric acid as it is in pure water? 1. methyl orange 2. phenolphthalein 3. bromcresol green

Based on your knowledge of energy resources conservation, which of the following statements is true? a) Manufacturers can increase a light bulb's energy efficiency by using technology that decreases the amount of electromagnetic energy the bulb

Ammonia (nh3 (g), hf = - 46.19 kj/mol) reacts with hydrogen chloride (hcl (g), hf = - 92.30 kj/mol) to form ammonium chloride (nh4cl (s), hf = - 314.4 kj/mol) according to this equation: