Questions by Fsiaonma

Questions by Fsiaonma

When a 0.1 M H2SO4 solution is added to pulverized blackboard chalk, the following reaction takes place. CaCO3(s) + H2SO4(aq) --> CaSO4(s) + CO2(g) + H2O(l) At 25°C, the reaction is spontaneous and has:

asked Feb 13, 2021

2 answers

4 votes

82.5k views

Which of the following is the best example of a pioneer species? A. lichens growing on rocks after a volcanic eruption B. grasses growing after a forest fire c. oak trees replacing pine trees in a forest

asked Nov 8, 2020

1 answer

3 votes

170k views

If two points on line l above have coordinates (0, A) and (2, −3), and the slope of the line is A, then what is the value of A? (A) −2 (B) −1 (C) 0.5 (D) 1 (E) 3

asked Oct 12, 2020

1 answer

1 vote

33.3k views

19. What was George Washington's role in the French and Indian War? O A. He called for peace and helped the British make terms with the French. OB. He led the French army against the British to victory.

asked Aug 4, 2020

1 answer

0 votes

166k views

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