2 Points
How does the intensity of a sound wave change if the distance from the
source...
2 Points
How does the intensity of a sound wave change if the distance from the
source is increased by a factor of 4?
O
A. The intensity increases by a factor of 4.
O
B. The intensity decreases by a factor of 4.
O
C. The intensity decreases by a factor of 16.
O
D. The intensity increases to by a factor of 16.
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Answers: 2
Chemistry, 22.06.2019 17:00, calmicaela12s
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
Chemistry, 22.06.2019 20:10, jakhunter354
The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)
Answers: 3
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