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AleksandrR [38]

3 years ago

11

When an object such as a rock is dropped into water it disturbs the surface of the water waves form at the surface of the water

and travel outward from the point of the disturberance

1 answer:

viktelen [127]3 years ago

3 0

So this isn't a question but thanks for telling me...? Next time ask a question pleaseeeee.

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Tomato juice has a pH of 4.20. Calculate the [H3O+] and [OH–] in tomato juice.

Free_Kalibri [48]

<span>[H3O+] = 10^(-pH) = 10^(-4.20) = 6.3 x 10^-5 M

pOH = 14 - pH = 14 - 4.20 = 9.80

[OH-] = 10^(-pOH) = 10^(-9.80) = 1.6 x 10^-10 M
</span>

8 0

3 years ago

Which geologic action may produce a chain of volcanic islands?

aleksley [76]

Answer:

a converging plates

Explanation:

4 0

2 years ago

PLEASE ANSWER QUICK. Place in order from simplest (top) to most complex (bottom).

Marina86 [1]

Answer:

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6 0

3 years ago

Electrolytic cells use electricity to cause a nonspontaneous redox reaction to occur. An electrolytic cell is constructed using

Fittoniya [83]

Answer:

At anode - ${Br_2}_{(l)}$

At cathode - ${H_2}_{(g)}$

Explanation:

Electrolysis of NaBr:

Water will exist as:

$H_2O\rightleftharpoons H^++OH^-$

The salt, NaBr will dissociate as:

$NaBr\rightarrow Na^++Br^-$

At the anode, oxidation takes place, as shown below.

${Br^-}_{(aq)}\rightarrow {Br_2}_{(l)}+2e^-$

At the cathode, reduction takes place, as shown below.

$2{H^+}_{(aq)}+2e^-\rightarrow {H_2}_{(g)}$

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2 years ago

Why the recombinant DNA is reintroduced into the bacterium?

Doss [256]

Bacterial cells can pick up the DNA through the process of transformation. Lambda phages are used by eliminating the middle of its liner genome and adding the foreign DNA in the created space. The phage is then introduced into the bacterial cell where it replicated itself via the lysogenic cycle.

8 0

3 years ago