Chemistry, 02.08.2019 01:30, marjae188jackson
Plz 20 points! 1. what is a property of a base? a. bitter taste* b. watery feel c. strong color d. unreactive 2. in the reaction of aluminum bromide with ionized sodium bromide, which compound is the lewis acid? a. aluminum bromide b. bromide ion* c. sodium ion d. none are lewis acids 3 in a neutral solution the [h^+] is a 10^-14 m* b zero c. 1x 10^7 m d. equal to [oh^-] 4 with solutions of strong acids and strong bases, the word strong refer to a. normality b. molarity c. solubility d. degree of ionization* 5 which of the following pairs consists of a weak acid and a strong base? a. sulfuric acid, sodium hydroxide b. acetic acid, ammonia c. acetic acid, sodium hydroxide* d. nitric acid, calcium hydroxide 6. the ionization constant (k^a) of hf is 6.7 x 10^-4. which of the following is true in a 0.1m solution of this acid? a. [hf] is greater than [h^+][f^-].* b. [hf] is less than [h^+][f^-]. c. [hf] is equal to [h^+][f^-]. d. [hf] is equal to [h^+][f^2-] 7. the process of adding a known amount of solution of known concentration to determine the concentration of another solution is called a neutralization b. hydrolysis c. titration d. buffer capacity
Answers: 2
Chemistry, 21.06.2019 23:30, mastershadow2018
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
Answers: 2
Plz 20 points! 1. what is a property of a base? a. bitter taste* b. watery feel c. strong colo...
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