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sweet-ann [11.9K]
2 years ago
8

What is one definition of a base?

Chemistry
2 answers:
Softa [21]2 years ago
5 0
True the answer is D
rodikova [14]2 years ago
3 0

Answer:

its D

Explanation:

i just know

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Once the reaction has occurred as completely as possible, what mass (in g) of the excess reactant is left
Vera_Pavlovna [14]
So C12 is the limiting reactant and P4 is the excess
Mass P4 consumed= 0.31 mol X 123.9 g/mol =38.41 g P4 consumed.
Hope i helped
6 0
3 years ago
What is the Ka value if pka=10.36
siniylev [52]
Pka = - log ka

10.36 = - log ka

Ka = .......
5 0
3 years ago
Read 2 more answers
What characteristic frequencies in the infrared spectrum of your sodium borohydride reduction product will you look for to deter
kkurt [141]

Answer:

A)The characteristic frequency to look out for is  1720-1740 cm-1 (for C=O) for which will disappear in the end product but initially present in the reactant.

B)Characteristic frequency  present in the infrared spectrum will be at a peak of  3300-3400 cm-1 which will be due to O-H stretch.

C)If the product is wet with water there will be no change in the infrared spectrum

Explanation:

The characteristic frequency to look out for is  1720-1740 cm-1 (for C=O) for which will disappear in the end product but initially present in the reactant.

Characteristic frequency  present in the infrared spectrum will be at a peak of 3300-3400 cm-1 which will be due to O-H stretch.

If the product is wet with water there will be no change in the infrared spectrum

5 0
2 years ago
31) To extend a length of 1.00 inches, 2.54 x 10^8 average sized atoms would have to be placed in a straight line (in other word
Phoenix [80]

Answer:

Here's the conversion factor you need:

1 Kilometer   =   39370 inches

So, for your question we want to go 405,696 km....

405696 km   x   39370 inches/ 1 km  =   15972283464 inches

                       

15972283464 inches   x   2.54 x10^8 atoms/1 inch   =   4.05 x 10^18 atoms

                                     

4 0
2 years ago
If the temperature of the helium balloon were increased from 30°C to 35°C and the volume of the balloon only expanded from 0.47L
Cerrena [4.2K]

Answer:r u from ridge

Explanation:

Mr Wilson trippin

4 0
3 years ago
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