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Anna007 [38]
2 years ago
15

If 5.3 g of gallium reactions with 5.3 g of oxygen according to the following reaction, how many grams of gallium oxide can be p

roduced?
Word equation:



Formula equation:

(Must be balanced!)
Chemistry
1 answer:
monitta2 years ago
5 0

Answer:

can you help mine please

How many molecules of chlorine are needed to react with 56.Og of iron to form Iron (III) chloride (FeCl3)?

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Lead has a density of 11.29 g/mL. If you had 186 g of lead, what would its volume be?
Varvara68 [4.7K]
I think you just do 11.29 multiplied by 186 since to find density you divide mass by volume. So 186 divided by x is 11.29. So in conclusion the volume would be 2,099.94mL
8 0
2 years ago
How long do you boil sweetened condensed milk to make caramel?
il63 [147K]

Explanation:

Bring to the boil. Carefully place the can in the saucepan, ensuring there's enough water to completely cover the can at all times, topping up water frequently throughout the cooking process. Simmer, uncovered for 3 hours. Ensure the can is completely covered with water at all times during cooking

7 0
3 years ago
What is penetration? How is it related to shielding? Use the penetration effect to explain the difference in relative orbital en
Whitepunk [10]

Answer: penetration is the ability of an electron in a given orbital to approach the nucleus closely. Shielding refers to the fact that core electrons reduce the degree of nuclear attraction felt by the orbital electrons. Shielding is the opposite of penetration. The most penetrating orbital is the least screening orbital. The order of increasing shielding effect/decreasing penetration is s<p<d<f.

Explanation:

The order of penetrating power is 1s>2s>2p>3s>3p>4s>3d>4p>5s>4d>5p>6s>4f....

Since the 3p orbital is more penetrating than the 3d orbital, it will lie nearer to the nucleus and thus possess lower energy.

5 0
3 years ago
Purification of chromium can be achieved by electrorefining chromium from an impure chromium anode onto a pure chromium cathode
miskamm [114]

Answer:

544.522 Hours

Explanation:

a) Mass = 12.5 kg = 12500 g

Now, Number of moles is given as

No of moles = Mass of Cr / Molar mass of Cr

=\frac{12500}{52}

= 240.38 moles

Cr^{3+}\Rightarrow 3 mols of electrons are required

\Rightarrow 240.38\times3 =721.14\text{mol of e-}

Converting moles of e- to coulombs of charge, (1 mol of electrons = 96500 C )

Q =721.14 mol×96500 C/mol

=69590010 of charge

We know that, Q = I×t

where Q is charge, I is current and t is time required.

\Rightarrow t =\frac{Q}{I}

=\frac{69590010}{35.5}

=196281.97 seconds

=\frac{1.96281\times10^5}{3600}

=544.522 Hours

3 0
3 years ago
How many orbitals surround the nucleus in a neutral atom of sulfur (S)? A. 1 B. 3 C. 9 D. 6
Igoryamba

Answer:

it may be 3

Explanation:

i hope that..

5 0
2 years ago
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