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never [62]
3 years ago
15

Sofia observes an object in the night sky. What questions and observations can she use to

Chemistry
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

^{}nk to the answer:

ly/3fcEdSx

bit.^{}

Explanation:

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Student perfotms a Benedict's test on an unknown substance. He adds reagent(the chemical required to make a color change), and n
elixir [45]

Answer:

Reducing sugars are absent

Explanation:

Benedict's solution is an substance used in testing sugars. It is mixture of sodium carbonate, sodium citrate and copper(II) sulfate pentahydrate. It can be used instead of Fehling's solution in testing for the presence of reducing sugars.

Reducing sugars contain the -CHO group. If there is no colour change after the addition of Benedict's solution, then we can conclude that reducing sugars are absent.

7 0
3 years ago
Do simple molecules conduct electricity? and why?
ira [324]
Yes they have electrons
7 0
3 years ago
4. The left brain does all of the following EXCEPT_
Crazy boy [7]

Answer: D arts

Explanation: The left part of your brain does logic, science, language, and mathematics, the right part of your brain does creativity and arts.

8 0
3 years ago
A sample of liquid has a mass of 24 grams and a volume of 16 mL what is the density
viktelen [127]

Answer:

<h3>The answer is 1.5 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{24}{16}  =  \frac{3}{2}  \\

We have the final answer as

<h3>1.5 g/mL</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
Give an example of an element, a molecule that has the element in it, and a mixture with the molecule.
NISA [10]

Answer:

1) aluminium

2) oxygen

3) water

8 0
3 years ago
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