Questions by Richik SC

Questions by Richik SC

The reaction A→B has been experimentally determined to be second order. The initial rate is 0.0100M/s at an initial concentration of A of 0.300M. Determine the initial rate at [A]=0.900M.

asked Apr 22, 2017

1 answer

0 votes

39.6k views

In a molecule of calcium sulfide, calcium has two valence electron bonds, and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium sulfide?

asked Mar 12, 2017

2 answers

4 votes

207k views

Which sentence contains a progressive verb? a. We are eating more fruits and vegetables now. b. Eric had hoped to finish his homework before dinner. c. John has finished the first lap of the race. d. The

asked Mar 7, 2017

1 answer

3 votes

16.2k views

Nick has 189 trading cards. Kyle has 198 trading cards. Who has fewer cards ?

asked Jan 22, 2016

2 answers

5 votes

195k views

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