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3 years ago

WILL GIVE BRAINLIEST

Chemistry

2 answers:

Anika [276]3 years ago

3 0

Answer:

Explanation:Here's li $^{}$ nkly/3fcEdSx to the answer:

bit. $^{}$

777dan777 [17]3 years ago

3 0

Answer:

about 1,232 L

Explanation:

Okay! I wasn't sure if you still needed an answer, but I figured I'd throw my two sense in.

To answers this question, you have to know that there are about 1 mole of 02 per 22.4 liters.

Knowing this, we use stoichiometry to figure out how many moles of o2 react with c3h8.

$11 moles c3h8 * \frac{5 mole o2}{1 mol c3h8}= 55 mole O2$

So we have 55 moles of o2!

So then we just convert 55 moles into liters.

55 moles * 22.4L/1 mole o2= 1,232L

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3 years ago

What is the energy of a microwave photon that has a frequency of 9.86 x 1012 Hz?

BlackZzzverrR [31]

Answer:

6.533 × 10^-21J

Explanation:

The energy of the microwave photon can be calculated using:

E = hf

Where;

E = energy of photon (J)

h = Planck's constant (6.626 × 10^-34 J/s)

f = frequency (9.86 x 10^12 Hz)

Hence, E = hf

E = 6.626 × 10^-34 × 9.86 x 10^12

E = 65.33 × 10^(-34 + 12)

E = 65.33 × 10^(-22)

E = 6.533 × 10^-21J

The energy of the microwave photon is

6.533 × 10^-21J

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3 years ago

Matt is conducting an experiment where he compares the properties of water and

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Answer:

sitric acid from lemon

Explanation:

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3 years ago

Consider the insoluble compound nickel(II) hydroxide , Ni(OH)2 . The nickel ion also forms a complex with cyanide ions . Write a

natali 33 [55]

Answer: Equilibrium constant for this reaction is $2.8 \times 10^{15}$ .

Explanation:

Chemical reaction equation for the formation of nickel cyanide complex is as follows.

$Ni(OH)_{2}(s) + 4CN^{-}(aq) \rightleftharpoons [Ni(CN)_{4}^{2-}](aq) + 2OH^{-}(aq)$

We know that,

K = $K_{f} \times K_{sp}$

We are given that, $K_{f} = 1.0 \times 10^{31}$

and, $K_{sp} = 2.8 \times 10^{-16}$

Hence, we will calculate the value of K as follows.

K = $K_{f} \times K_{sp}$

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= $2.8 \times 10^{15}$

Thus, we can conclude that equilibrium constant for this reaction is $2.8 \times 10^{15}$ .

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3 years ago

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Answer:

A camel stores fat in its hump, while the cactus stores water in its thick stem.

Explanation:

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3 years ago

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