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katrin [286]
3 years ago
5

What element are usually shiny , can be bent or stretched and conduct electricity

Chemistry
1 answer:
Alik [6]3 years ago
8 0

Answer:

gold and copper

Explanation:

but I think there is 1 more

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Calculate the solubility of CuX (Ksp=[Cu2+][X2−]=1.27×10−36) in a solution that is 0.200 M in NaCN.
Tomtit [17]

Answer:

Solubility= 1.08×10-12

Explanation:

Take the cube root of 1.27×10-36

3 0
3 years ago
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What does the red line in the diagram below represent?
bekas [8.4K]

Answer:

The activation energy

Explanation:

The activation energy is the energy hump that lies between reactants and products. It is the energy barrier that reactants must cross before they are converted into products.

Based on the collision theory, only particles that possess the activation energy are able to collide in such a way that leads to reaction.

Collision of particles having an energy content less than the activation energy of the reaction merely leads to elastic collision between such particles.

5 0
2 years ago
Students can use _________ to distinguish pure substances, such as elements and compounds with a constant composition, from othe
ollegr [7]
Density ........on god thats the answer
3 0
3 years ago
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Newton contributed to astronomy by:
SCORPION-xisa [38]

Answer:  D

Explanation:

This is the answer because everyone knows he discovered gravity and he conducted scientific experiments to prove them which he also used math for

Hope this helps

6 0
3 years ago
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What is the mass of 7 x 10^28 atoms of Fe?
Nostrana [21]

Answer:

6 x 10⁶ g Fe

Explanation:

Step 1: Set up dimensional analysis

7 x 10²⁸ atoms Fe (1 mol Fe/6.02 x 10²³ atoms Fe)(55.85 g Fe/1 mol Fe)

Step 2: Multiply, divide, and cancel out units

atoms Fe and atoms Fe cancel out.

mol Fe and mol Fe cancel out.

We should be left with g Fe.

7 x 10²⁸/6.02 x 10²³ = 116279 mol Fe

116279(55.85) = 6.49 x 10⁶ g Fe

Step 3: Sig figs

There is only 1 sig fig in this problem.

6.49 x 10⁶ g Fe ≈ 6 x 10⁶ g Fe

4 0
3 years ago
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