Questions by Andy Dang

Questions by Andy Dang

Hydrogen peroxide decomposes into water and oxygen in a first-order process.H2O2(aq) --> H2O(l) + 1/2 O2(g)At 20.0 °C, the half-life for the reaction is 3.92 x 104 seconds. If the initial concentration

asked Nov 12, 2020

1 answer

4 votes

141k views

What do conversion factors Always equal?

asked Jun 7, 2020

1 answer

4 votes

225k views

If light is incident on a plane surface at 55 deg traveling from air, and is refracted through an angle of 37 deg, what is the index of refraction of the material? A. 0.73 B. 47 C. 1.36

asked May 11, 2020

1 answer

3 votes

41.2k views

On which of the following lines does the point (7, 1) lie? A.) y = 5x + 4 B.) y = -x + 8 C.) y = x - 10 D.) y = -4x + 3

asked Jun 26, 2019

1 answer

1 vote

95.6k views

Help Please.. 16.34 + 59.908 + 132.15 Round each number to the nearest tenths first and then find the sum Round each number to the nearest whole number first and then find the sum.

asked May 12, 2019

2 answers

0 votes

159k views

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