Questions by Layna

Questions by Layna

How many sig figs are in 0.00205kg

asked May 13, 2021

2 answers

0 votes

2.6k views

Read these lines from the excerpt again

asked Feb 28, 2021

1 answer

3 votes

58.8k views

Explain fully, in your own words, why the temperature during PCR goes through cycles of 94C, 50C, 72C.

asked Jan 15, 2021

1 answer

3 votes

120k views

Ammonium iodide dissociates reversibly to ammonia and hydrogen iodide. NH4I (s) ⇌ NH3 (g) + HI (g) At 400 ºC, Kp = 0.215. Calculate the partial pressure of ammonia at equilibrium when a sufficient quantity

asked Sep 25, 2020

1 answer

2 votes

112k views

Which wavelengths of light drive the highest rates of photosynthesis? Select the two best answers. a. 400-450 nm b. 500-600 nm c. 550-700 nm d. 670-680 nm

asked Jul 4, 2020

1 answer

1 vote

112k views

In what main way did steam-powered warships and Merchant ships affect Empire Building in the 1800s

asked Jun 6, 2020

1 answer

4 votes

175k views

Which sentence is an example of standard English, with no slang or use of vernacular? A) Mountain biking is totally fun. B) Mountain biking is one of the coolest sports out there. C) Mountain biking is

asked Aug 21, 2019

2 answers

5 votes

64.0k views

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