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galina1969 [7]
2 years ago
6

9. What type of bonds hold polyatomic ions together?

Chemistry
2 answers:
Mrac [35]2 years ago
8 0
B. Is the answer I'm pretty sure
ella [17]2 years ago
5 0
The answer is B Covalent bonds
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Please hurry and tell the answer to:
Flura [38]

Answer:

6.50 g of Hydrogen

Explanation:

We know that in every 20.0g of sucrose, there are 1.30g of hydrogen.

We now have 100.0g of sucrose. 100.0g is 5x larger than the 20.0g sample, which is a 5 : 1 ratio. Applying this ratio to the amount of hydrogen, we would have 5*1.3g of hydrogen in the 100.0g of sucrose.

5*1.3 = 6.5, so our answer is that there are 6.50g of hydrogen in 100.0g of sucrose.

Hope this helps!

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1 year ago
The ability to put in a light bulb with greater ease is because the bottom half is what type of simple machine?
Travka [436]
A screw simple machine

4 0
2 years ago
Who is good at CHEMISTRY?????????/I NEED HELP
Pavlova-9 [17]

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You make a solution by putting 45.6g of iron lll carbonate into 167ml of water. What is it's molarity?
ludmilkaskok [199]
1. The molar mass of Fe2(CO3)3 is 291.72 g/mol. This means that 45.6 g is equivalent to 0.156 mol. Dividing by the 0.167 L of water gives a solution of 0.936 M.
2. Multiplying (0.672 M)(0.025 L) = 0.0168 mol. The molar mass of Ni(OH)2 is 92.71 g/mol, so multiplying by 0.0168 mol = 1.56 grams. Therefore you would need to dissolved 1.56 g of Ni(OH)2 into 25 mL of water.
3. Fe2(CO3)3 + Ni(OH)2 --> Fe(OH)3 + NiCO3Balancing: Fe2(CO3)3 + 3Ni(OH)2 --> 2Fe(OH)3 + 3NiCO3The reaction quotient is:[Fe(OH)3]^2 * [NiCO3]^3 / [Fe2(CO3)3][Ni(OH)2]^3= (0.05)^2 * (1.45)^3 / (0.936)(0.672)^3= 0.0268Since this is < 1, it implies that the reactants are favored at equilibrium.
4 0
3 years ago
How do the polar easterlies and the jet stream work together to affect the
ahrayia [7]

Answer:

they can carry cold arctic air, producing snow and freezing weather.

Explanation:

-w- hope it helps

8 0
3 years ago
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