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astraxan [27]
4 years ago
10

Predict at least two circumstances (outside influences) that would cause a system in equilibrium to change the concentrations of

its reactants or products.,
Chemistry
1 answer:
tresset_1 [31]4 years ago
4 0
<span>Any change in heat or pressure on a system in equilibrium will cause a shift of the equilibrium, changing the concentrations of the reactants and products. Increasing the heat for some reactions allows it to reach the threshold it needs to catalyze the reaction, for example.</span>
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What of the following describes how an organism responds to external stimuli?
Pani-rosa [81]
Yes, your answer should be and is <span>A. a mouse runs away from a cat that is chasing it.

Hope this helped!</span>
8 0
3 years ago
Which statement about living things and their environment is true?
Alisiya [41]

Answer:

Which statement about living things is true?

All living things are made of cells, use energy, respond to stimuli, grow and reproduce, and maintain homeostasis

Explanation:

7 0
3 years ago
Read 2 more answers
The Mond process produces pure nickel metal via the thermal decomposition of nickel tetracarbonyl: Ni(CO)4 (l) → Ni (s) + 4CO (g
Yuki888 [10]

<u>Answer:</u> The volume of CO formed is 254.43 L.

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}  

Given mass of Ni(CO)_4 = 444 g

Molar mass of Ni(CO)_4 = 170.73 g/mol

Putting values in above equation, we get:

\text{Moles of }Ni(CO)_4=\frac{444g}{170.73g/mol}=2.60mol

For the given chemical reaction:

Ni(CO)_4(l)\rightarrow Ni(s)+4CO(g)

By stoichiometry of the reaction:

1 mole of nickel tetracarbonyl produces 4 moles of carbon monoxide.

So, 2.60 moles of nickel tetracarbonyl will produce = \frac{4}{1}\times 2.60=10.4mol of carbon monoxide.

Now, to calculate the volume of the gas, we use ideal gas equation, which is:

PV = nRT

where,

P = Pressure of the gas = 752 torr

V = Volume of the gas = ? L

n = Number of moles of gas = 10.4 mol

R = Gas constant = 62.364\text{ L Torr }mol^{-1}K^{-1}

T = Temperature of the gas = 22^oC=(273+22)K=295K

Putting values in above equation, we get:

752torr\times V=10.4mol\times 62.364\text{ L Torr }mol^{-1}K^{-1}\times 295K\\\\V=254.43L

Hence, the volume of CO formed is 254.43 L.

5 0
4 years ago
In sexually reproduction, how many do the offspring compare to the parents?
tatuchka [14]
In sexual reproduction the offspring has similar genetics and look of those of the parents. In asexual reproduction, it will look like the one parent, but it won't have the parent. The parent would have split in two and created two daughter cells, but when they make buds of them they have one child and on parent. Hope I helped! ;)
8 0
3 years ago
Which of the following statements is true about hydropower?
san4es73 [151]

Answer:

Answer C: It can affect fish and other marine life.

Explanation:

Hydropower plants can harm ecosystems, especially killing fish with their turbines.

Note: Hydropower generators do not directly emit air pollutants. However, dams, reservoirs, and the operation of hydroelectric generators can affect the environment. And greenhouse gases (GHG) such as Carbon Dioxide (MENTIONED IN ANSWER A) and methane form in natural aquatic systems and in human-made water storage reservoirs as a result of the aerobic and anaerobic decomposition of biomass in the water.

However, if we can choose just the only one answer, then the answer is C.

5 0
3 years ago
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