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wolverine [178]
3 years ago
13

I am doing science, periodic table. what is an element that has 0 neutrons? I even searched online and it said that's not an ele

ment‍♂️‍♀️​
Chemistry
1 answer:
Trava [24]3 years ago
8 0

Answer:

element hydrogen

Explanation:

There is only one stable atom that does not have neutrons, it is also an element hydrogen called protium. Protium, which contains a single proton and a single electron, is the simplest atom. Hope this helped!

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Determine the temperature change when 150. G block of gold is supplied with 1.00 • 10 ^3 J of heat
IceJOKER [234]

Answer:

∇T = 51.68°C

Explanation:

Mass = 150g

Heat Energy (Q) = 1.0*10³J

Change in temperature ∇T = ?

Q = mc∇T

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M = mass

C = specific heat capacity of the gold = 0.129j/g°C

∇T = change in temperature

Q = Mc∇T

1.0*10³ = 150 * 0.129 * ∇T

1000 = 19.35∇T

Solve for ∇T

∇T = 1000 / 19.35

∇T = 51.679°C = 51.68°C

The change in temperature of gold was 51.68°C

8 0
3 years ago
Find the concentration of H+ ions at a pH = 11 and
Black_prince [1.1K]

Explanation:

the pH of the solution defined as negatuve logarithm of H^+ ion concentration.

pH=-\log[H^+]

1. Hydrogen ion concentration when pH of the solution is 11.

11=-\log[H^+]

[H^+]=1\times 10^{-11} mol/L..(1)

At pH = 11, the concentration of H^+ ions is 1\times 10^{-11} mol/L.

2. Hydrogen ion concentration when the pH of the solution is 6.

6=-\log[H^+]'

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At pH = 6, the concentration of H^+ ions is 1\times 10^{-6} mol/L.

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The ratio of hydrogen ions in solution of pH equal to 11 to the solution of pH equal to 6 is 1\times 10^{-5}.

4. Difference between the H^+ ions at both pH:

1\times 10^{-6} mol/L-1\times 10^{-11} mol/L=9.99\time 10^{-7} mol/L

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6 0
3 years ago
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When shopping for major appliances, people should look for high energy-rating numbers because those items _____.
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Answer:

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Explanation:

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