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bixtya [17]
3 years ago
11

What’s the atomic mass to lithium-6 and lithium-7?

Chemistry
1 answer:
atroni [7]3 years ago
3 0

6.941 amu... Thats your answer :)

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Complete each statement with the word that makes it true. The noble gases are the least of any elements on the periodic table. T
alexdok [17]

Awnser                  1.reactive

2.halogens

3.nonmetals                                                                                                                                                                                                                                                                             Explanation:

4 0
3 years ago
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Help! Pls tell me the meanings of all of these words and please try to make them short as possible!!! tysm have a great day! &lt
Alex Ar [27]

Answer:

Biofuel: Fuel from living matter

Conservertion of energy: It's a law where energy, when bodies/particles touch in a close system stays constant.

Conduction: Where via touch heat/electricity travels to a diffrent thing.

5 0
3 years ago
Hydrogen bonding is --
Virty [35]
Hydrogen bonds are a strong attractive force, since they are less stronger than ionic bonds.
4 0
3 years ago
Im not doing the math-
BigorU [14]
The average speed of the blocks are 0.36 m/s.
Explanation:
Average speed is defined as the ratio of distance covered per unit time. So if it is said that blocks are pulled to 0.9 m in the right side. This means the blocks cover a distance of 0.9 m from the origin and that distance is covered in 2.5 s. Thus, the average speed can be calculated from the change in speed with respect to time. As at time t = 0 , the speed is also zero, and at time t = 2.5 s , the speed will be
Since, in this case, the speed is equal to the average speed of blocks. So the average speed of the blocks will be 0.36 m/s.
3 0
3 years ago
Read 2 more answers
Into a 0.25 M solution of Ba3(PO4)2(aq), excess Na2SO4(aq) was added to form BaSO4(s). Ba3(PO4)2(aq) + 3Na2SO4(aq) → 3BaSO4(s) +
kogti [31]

Answer:

Answer is in the explanation.

Explanation:

For the reaction:

Ba₃(PO₄)₂(aq) + 3Na₂SO₄(aq) → 3BaSO₄(s) + 2Na₃PO₄(aq)

As Na₂SO₄(aq) is in excess, limiting reactant is Ba₃(PO₄)₂(aq). As the molarity of the solution is 0,25M and you knew the volume of the solution, you can obtain the moles of Ba₃(PO₄)₂ doing 0,25M×volume.

As 1 mol of Ba₃(PO₄)₂(aq) react with 3 moles of BaSO₄ the moles of BaSO₄ are three times moles of Ba₃(PO₄)₂.

As BaSO₄ molar mass is 233,38g/mol. The mass of BaSO₄ is given by moles of BaSO₄ × 233,38g/mol

I hope it helps!

6 0
3 years ago
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