2 years ago

Which part of the water cycle happens to most water after surface runoff?

Chemistry

2 answers:

kiruha [24]2 years ago

7 0

Answer:

Condensation is my the corrcect answer to this question

Lunna [17]2 years ago

5 0

Answer:

collection

Explanation:

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Where does washing powder fall into in the ph scale ?

JulijaS [17]

The powder is made through a chemical reaction (saponification) between an alkaline base with oils is to be expected that there will always be a residual alkali. PH around <span>11.5

hope this helps!

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8 0

3 years ago

Calculate the no. of each atoms presents in 10 grams of calcium carbonate.

raketka [301]

Molar Mass of Calcium carbonate:-

$\\ \sf\longmapsto CaCO_3$

$\\ \sf\longmapsto 40u+12u+3(16u)$

$\\ \sf\longmapsto 52u+48u$

$\\ \sf\longmapsto 100u$

$\\ \sf\longmapsto 100g/mol$

Given Mass=10g

$\boxed{\sf No\:of\;moles=\dfrac{Given\:Mass}{Molar\:Mass}}$

$\\ \sf\longmapsto No\:of\;moles=\dfrac{10}{100}$

$\\ \sf\longmapsto No\:of\:moles=0.1mol$

Now

$\boxed{\sf No\:of\:molecules=No\;of\:moles\times Avagadro\: No}$

$\\ \sf\longmapsto 0.1\times 6.023\times 10^{23}$

$\\ \sf\longmapsto 6.023\times 10^{22}molecules$

8 0

2 years ago

Which orbital is partially filled in the Zirconium (ZI) atom?

Nikolay [14]

Answer:

4d orbital.

Explanation:

Hello!

In this case, since zirconium's atomic number is 40, we fill in the electron configuration up to 40 as shown below:

$1s^2,2s^2,2p^6, 3s^2,3p^6,4s^2,3d^{10},4p^6,5s^2,4d^2$

Thus, the orbital 4d is partially filled.

Best regards!

3 0

2 years ago

A physician has ordered 0.50 mg of atropine, intramuscularly. If atropine were available as 0.25 mg/mL of solution, how many mil

sladkih [1.3K]

If 0.25mg of atropine is in 1mL
so
0.50mg of atropine is in x

$x=\frac{0.5mg*1mL}{0.25mg}=2mL$

6 0

3 years ago

Identify the spectator ions in this reaction. Check all that apply.

balandron [24]

CN, LI are the only two

4 0

2 years ago

Read 2 more answers