Calcium is an element. What is the smallest particle of calcium that has all the chemical properties of calcium?

Ammonia acts like a base. a. True b. False

How are ionic and covalent bonds related?

Select the correct empirical formula for each molecular formula given. Molecular formula: C6H1206 Empirical formula: o C6H1206 O C2H402 O CH20 O CHO

Identify the correct balanced equation for the combustion of pentene (c5h10).

Greg owns a clothing store where he designs T-shirts, t, and pairs of shorts, S. He sells the T-shirts for $6 each and the shorts for $14. Greg can work 18 hours a day, at most.

A college student driving to classes produces 8000 kg of carbon dioxide (CO2) in a year, contributing to global warming. What volume of CO2 is produced? (The density of carbon dioxide is 2.0 g/L.)

For the first five steps of glycolysis, the appropriate sequence of enzymes is: A. phosphofructokinase-1 (PFK-1). B. hexokinase / glucokinase. C. fructose bisphosphate aldolase. D. Phosphoglucoisomerase. E. triose phosphate isomerase (TPI). a.

2NO + O2 → 2NO2 What type of chemical reaction is shown above? a combustion reaction b double displacement C synthesis d decomposition e single displacement

Why did Bromophenal solutions change from yellow to blue (what chemical reaction happended) ?

How many milliliters of calcium, with a density of 1.55 g/mL, are needed to produce 85.8 grams of calcium fluoride in the single replacement reaction below? Show all steps of your calculation as well as the final answer.