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denis23 [38]
2 years ago
7

5. How many grams of potassium bromide will dissolve in 450g of water at 80°C?

Chemistry
1 answer:
Shtirlitz [24]2 years ago
6 0
Hi mate. I think the answer is 100
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Which type of chemical bond occurs when atoms share electrons, as shown in this diagram?.
vesna_86 [32]

Answer:

covalent bond

Explanation:

covalent bond, in chemistry, the interatomic linkage that results from the sharing of an electron pair between two atoms. The binding arises from the electrostatic attraction of their nuclei for the same electrons.

8 0
2 years ago
Calculate the mass, in grams, of a single xenon atom (mxe = 131.29 amu ).
Mariana [72]

Answer is 2.18017\times10^{-22}gms.

Explanation: To calculate the mass of 1 Xe-atom , we will require atomic mass of Xe which is 131.29amu.

This atomic mass is the mass of 1 mole of 1 Xe-atom. One mole of Xe-atom is 6.022\times10^{23} atoms of Xe. We will use this relation to convert Mass of Xe-atom into grams.

\frac{\text{mass of 1 atom}}{atom}=\frac{\text{mass of 1 mole of atom}}{6.022\times10^{23}atoms}

\text{mass of 1 atom}=\frac{\text{mass of 1 mole of atom}}{6.022\times10^{23}}

\text{mass of 1 Xe-atom}=\frac{131.29}{6.022\times10^{23}}

\text{mass of 1-Xe atom}=21.8017\times10^{-23}gms

                                               =2.18017\times10^{-22}gms


5 0
3 years ago
The branch of chemistry that looks at the release of electrical energy is called
sergij07 [2.7K]
B is the correct answer tbh
3 0
3 years ago
Find the relative molecular mass of hydrated iron (II) sulphate FeSO4.7H2O
Pepsi [2]

Answer:

the relative molecular mass of hydrated iron (II) sulfate FeSO4.7H2O is 278.02

Explanation:

5 0
2 years ago
If 3 newton's of force is pulling
Troyanec [42]
A. There is no movement
Hope this helps
5 0
3 years ago
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