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3 years ago

PLS HELP NO LINKS PLS

Chemistry

2 answers:

elena-14-01-66 [18.8K]3 years ago

8 0

Answer:

100,000 is correct

Explanation:

nlexa [21]3 years ago

6 0

Answer:

100,000 Ozone Molecules

Explanation:

I just found this online calculator that got the answer.

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Mercury is a liquid meteal but it is not hard? how can we say it is a metal

NNADVOKAT [17]

What's the problem ? Hardness is not the definition of a metal. You need to expand your thinking. EVERY element is solid, liquid, and gas, over different ranges of temperature ... including all of the metals. There are only TWO elements that are liquid AT ROOM TEMPERATURE, and mercury is one of them. But on a mild day at the south pole, mercury is solid too.

7 0

4 years ago

Consider the following reaction at equilibrium: C(s)+H2O(g)⇌CO(g)+H2(g) Predict whether the reaction will shift left, shift righ

vazorg [7]

'Answer:

a) C is added to the reaction mixture. "shift right"

b) H₂O is condensed and removed from the reaction mixture. "shift left"

c) CO is added to the reaction mixture. "shift left"

d) H₂ is removed from the reaction mixture. "shift right"

Explanation:

Le Châtelier's principle states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.

a) C is added to the reaction mixture:

Adding C(s) will increase the concentration of the reactants side, so the reaction will be shifted to the right side to suppress the increase in the concentration of C by addition.

So, the reaction shift right.

b) H₂O is condensed and removed from the reaction mixture:

Removing H₂O will decrease the concentration of the reactants side, so the reaction will be shifted to the left side to suppress the decrease in the concentration of H₂O by removal.

So, the reaction shift left.

c) CO is added to the reaction mixture:

Adding CO will increase the concentration of the products side, so the reaction will be shifted to the left side to suppress the increase in the concentration of CO by addition.

So, the reaction shift left.

d) H₂ is removed from the reaction mixture:

Removing H₂ will decrease the concentration of the products side, so the reaction will be shifted to the right side to suppress the increase in the concentration of H₂ by removal.

So, the reaction shift right.

8 0

3 years ago

Please help! Super easy, I just forgot! Fill in the two blanks

Alborosie

Answer:

nucleuas

Explanation:

6 0

3 years ago

14.americium- 241 is widely used in smoke detectors. the radiation released by this element ionizes particles that are then dete

avanturin [10]

Hence, 5.1 * 10^-11 alpha particles is being emitted each second by the sample.

The term half life is the time taken for only half of the original amount of radioactive nuclides to remain.

Thus, we have that the half life is 432.2 years or 1.36 * 10^10 s.

k = 0.693/ 1.36 * 10^10 s

k = 5.1 * 10^-11 alpha particles per second.

Learn more about alpha particles:brainly.com/question/2288334

#SPJ1

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2 years ago

Calculate the molar solubility of CuX (Ksp=1.27×10−36) in each of the following. pure water

Natasha2012 [34]

Answer: CuX = Cu2+ + X2- Ksp = [Cu2+] * [X2-] for each mole of CuX that dissolves we get x mol of each of the anions and cations Ksp = x^2 = 1.27 x 10 ^-36 x= 1.13 x 10 ^-18 moles of CuX per liter of pure water if the solution has [Cu2+]= 0.27 M Ksp becomes x ( x + 0.27) as we can see above x is extremely small so can be ignored inside the brackets 0.27 x = 1.27 x 10^-36 x = 1.27 x 10^-36 / 0.27 = 4.70 x 10 ^-36 moles per liter In 0.19M X2- we have Ksp = 0.19x = 1.27 x 10^-36 x = 1.27 x 10^-36 / 0.19 = 6.68 x 10 ^-36 moles per liter

8 0

3 years ago

Read 2 more answers