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PtichkaEL [24]
3 years ago
14

+ H20

Chemistry
1 answer:
Salsk061 [2.6K]3 years ago
7 0

a. 2Na Al 03

Equation must have the same number of each element on both sides of the equation.

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True or False: Water molecules "stick together" due to hydrogen bonds.
Dimas [21]

Answer:

True

Explanation:

To begin with,

Hydrogen bonds are attractions that contain a force caused by the difference in charge. This is due to the positive hydrogen ions as well as  slightly negative ions. Therefore, hydrogen bonds make water molecules 'sticky.' To add, the attractions between hydrogen bonds are weaker than ionic and covalent bonds but strong enough to cause them to 'stick together'

Hope this helps.

6 0
3 years ago
How do segments of DNA give an organism certain traits?
tatiyna

Answer:

Because DNA is like a code for an organism such as sheep or humans the code of gene segments such as C G A T all collaborate and make a strand of DNA so it all depends on the letters our parents traits and the enviroment.

Explanation:

Hope this helps

6 0
4 years ago
Using a spectrophotometer, and a cuvette with a path length of 1 cm you measure the absorbance (A275) of Guanosine to be 0.70. C
Anton [14]

Answer : The concentration of guanosine in your sample is, 8.33\times 10^{-5}M

Explanation :

Using Beer-Lambert's law :

A=\epsilon \times C\times l

where,

A = absorbance of solution  = 0.70

C = concentration of solution = ?

l = path length = 1.00 cm

\epsilon = molar absorptivity coefficient guanosine  = 8400M^{-1}cm^{-1}

Now put all the given values in the above formula, we get:

0.70=8400M^{-1}cm^{-1}\times C\times 1.00cm

C=8.33\times 10^{-5}M

Thus, the concentration of guanosine in your sample is, 8.33\times 10^{-5}M

5 0
3 years ago
A student following the reaction seen here calculated a theoretical yield of 38.3g C₆H₅Cl but when he did the experiment in the
Reil [10]

Answer:

96.1 %

Explanation:

Which teacher do you have lol

7 0
3 years ago
Which of the following has the greatest mass, in grams?1) 1 atom of gold (Au) 2) 1.0 mol mercury (Hg) atoms 3) 2.0 mole of chlor
vlada-n [284]

c is the answer for ur question

3 0
3 years ago
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