Barrons SAT Subject Test Chemistry, 13th Edition

.000003 kg or 3 × 10–6 kg ...

22,400 or 2.24 × 10^4 mL ...

.10013 km ...

158 g Because the density is 1.58 g/mL and you want the weight of 100 mL, you use the formula that density × volume = mass. In ...

2.27g/mL To find the volume of 227g of sulfur, subtract the volume of water before from the volume after immersion. mL − 50. ...

(a) 5,160 cm^3 (b) 5,160 g (a) Convert 5.08 in. to centimeters: Then 20.0 cm × 20.0 cm × 12.9 cm = 5,160 cm^3 (b) Since 1.00 c ...

14. ...

(a) 3 (b) 4 (c) 2 (d) 3 ...

(B) Because all the substances are compounds. ...

(E) Because all the other statements refer to chemical properties of sugar. ...

(C) Neither an element nor an atom can be simplified into anything else by ordinary means. ...

(B) Separating molecules in a mixture (e.g., evaporating water from a sugar solution) does not involve a chemical change action ...

(B) Because the other choices are not true. Transforming energy into different forms can be demonstrated by batteries in a flas ...

(C) Anytime the ΔH of a reaction is negative, the reaction gives off energy and it is classified as exothermic. ...

22. ...

(A) In the diagram part of question 23 “a” is the activation energy for the forward reaction. The sum of “a” and “b” is the ac ...

(B) Because an element is a basic building block in the periodic table, it cannot be further simplified by ordinary chemical me ...

(A) The mass per unit volume is the definition of density. ...

(B) Matter that has mass and a definite size and shape is called a solid. ...

(C) The space occupied by a substance is called its volume. ...