ACS STUDY GUIDE EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED | 2026/2027 LATEST UPDATE |
GRADED A+
The basic unit of mass in the metric system is? - ANSWER gram.
1 mile = 1.609 km. The distance between New York and Washington is 250 miles. This is the same as?
- ANSWER 402 km.
The density of ethyl alcohol is 0.789 g/mL. The mass of 2.00 liters of ethyl alcohol is? - ANSWER 1580
g.
The law of conservation of energy states that? - ANSWER energy can neither be created nor
destroyed.
How many calories are required to heat 755 g of iron from 23 degrees C to 175 degrees C if the
specific heat of iron is 0.11 cal/g deg? - ANSWER 13 kcal.
1 lb = 0.453 kg. If the recommended dosage of a prescribed drug is 2 mg/kg of body weight, the
amount of the drug that should be administered to a 12-pound infant is? - ANSWER 11 mg.
The symbol for the element sodium is? - ANSWER Na.
Which is a chemical change? - ANSWER rusting of iron.
Which elementary particles attract each other? - ANSWER proton and electron.
Which elementary particle has the smallest mass? - ANSWER electron.
Mercury-202 has how many neutrons in its nucleus? - ANSWER 122.
An ion with a mass number of 56 that contains 26 protons and 23 electrons is? - ANSWER Fe (3+).
, The ground state electronic configuration of silicon is? - ANSWER 1 s2 2 s2 2 p6 3 s2 3 p2.
In the ground state of an atom? - ANSWER all the electrons are in their lowest energy levels.
The element strontium is most likely to form which of these ions? - ANSWER Sr2+.
The formula for the compound between potassium and sulfur is? - ANSWER K2S.
A carbon atom forms how many bonds? - ANSWER 4.
The Lewis structure of the CO2 molecule is? - ANSWER :: O =C = O::
Which of these molecules has a linear shape? - ANSWER HCN.
The compound iron(III) sulfite has the formula? - ANSWER Fe2(SO3)3.
The formula weight of Ba(NO3)2, to the nearest integer, is? - ANSWER 261 amu.
1.80 moles of CaSO4 weighs? - ANSWER 245 g.
How many molecules are in a cube of dry ice (CO2) that weighs 440 g? - ANSWER 6.02 x 1023.
For the reaction
2P + 3Cl2-----> 2PCl3
if 32.5 g of Cl2 reacts completely with excess P, how many g of PCl3 will be produced? - ANSWER 42.0
g.
In this equation
AgNO3 (aq) + NaCl(aq) ----> AgCl (s) + NaNO3 (aq)
the spectator ions are? - ANSWER Na+ and NO3.
COMPLETE SOLUTIONS VERIFIED | 2026/2027 LATEST UPDATE |
GRADED A+
The basic unit of mass in the metric system is? - ANSWER gram.
1 mile = 1.609 km. The distance between New York and Washington is 250 miles. This is the same as?
- ANSWER 402 km.
The density of ethyl alcohol is 0.789 g/mL. The mass of 2.00 liters of ethyl alcohol is? - ANSWER 1580
g.
The law of conservation of energy states that? - ANSWER energy can neither be created nor
destroyed.
How many calories are required to heat 755 g of iron from 23 degrees C to 175 degrees C if the
specific heat of iron is 0.11 cal/g deg? - ANSWER 13 kcal.
1 lb = 0.453 kg. If the recommended dosage of a prescribed drug is 2 mg/kg of body weight, the
amount of the drug that should be administered to a 12-pound infant is? - ANSWER 11 mg.
The symbol for the element sodium is? - ANSWER Na.
Which is a chemical change? - ANSWER rusting of iron.
Which elementary particles attract each other? - ANSWER proton and electron.
Which elementary particle has the smallest mass? - ANSWER electron.
Mercury-202 has how many neutrons in its nucleus? - ANSWER 122.
An ion with a mass number of 56 that contains 26 protons and 23 electrons is? - ANSWER Fe (3+).
, The ground state electronic configuration of silicon is? - ANSWER 1 s2 2 s2 2 p6 3 s2 3 p2.
In the ground state of an atom? - ANSWER all the electrons are in their lowest energy levels.
The element strontium is most likely to form which of these ions? - ANSWER Sr2+.
The formula for the compound between potassium and sulfur is? - ANSWER K2S.
A carbon atom forms how many bonds? - ANSWER 4.
The Lewis structure of the CO2 molecule is? - ANSWER :: O =C = O::
Which of these molecules has a linear shape? - ANSWER HCN.
The compound iron(III) sulfite has the formula? - ANSWER Fe2(SO3)3.
The formula weight of Ba(NO3)2, to the nearest integer, is? - ANSWER 261 amu.
1.80 moles of CaSO4 weighs? - ANSWER 245 g.
How many molecules are in a cube of dry ice (CO2) that weighs 440 g? - ANSWER 6.02 x 1023.
For the reaction
2P + 3Cl2-----> 2PCl3
if 32.5 g of Cl2 reacts completely with excess P, how many g of PCl3 will be produced? - ANSWER 42.0
g.
In this equation
AgNO3 (aq) + NaCl(aq) ----> AgCl (s) + NaNO3 (aq)
the spectator ions are? - ANSWER Na+ and NO3.
