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2 years ago

10

Which best identifies the function of fruits?

2 answers:

Naddik [55]2 years ago

6 0

I think it’s A but I’m not sure. Sorry if I’m wrong

Arte-miy333 [17]2 years ago

3 0

Explanation:

i am not sure but i think is C

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Finding mole ratios from chemical formulae

Levart [38]

7 moles of oxygen are in the sample.

According to the chemical formula, each mole of nickel tetracarbonyl contains 4 moles of C atoms. Simply convert it into a fraction by putting the original solution in the denominator and the diluted solution in the numerator if you need to determine the concentration ratio between two solutions. The V/n ratio for each gas must be the same if the two gases are at the same temperature and pressure. The volume ratio of two gases at the same temperature and pressure is equal to their molar ratio. The mole ratio of C to O is 1 : 1

Learn more about moles here brainly.com/question/10873665

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7 0

1 year ago

Who can help me with this? Asap

aivan3 [116]

Answer:

A. = 143

B. = 8

C. =32

Explanation:

Number of neutron = mass number - atomic number

3 0

2 years ago

An object starts at position 12 on a horizontal line with a reference point of o. What is the position of the object if it moves

eimsori [14]

Answer:

-2

Explanation:

Consider object is starting 12 units right from the reference point which is 0.

Assign the right direction positive sign.

when object is moving 14 units on left direction the position of object will be two units to the left side of reference point.

Assign the left direction negative sign position will be -2.

6 0

3 years ago

what is the pH of a solution that results when 0.010mol HNO3 is added to 500.ml of a solution that is 0.10M in aqueous ammonia a

WARRIOR [948]

Answer : The

pH of a solution is, 8.56

Explanation : Given,

$K_b=1.8\times 10^{-5}$

Concentration of ammonia (base) = 0.10 M

Concentration of ammonium nitrate (salt) = 0.55 M

First we have to calculate the value of $pK_b$ .

The expression used for the calculation of $pK_b$ is,

$pK_b=-\log (K_b)$

Now put the value of $K_b$ in this expression, we get:

$pK_b=-\log (1.8\times 10^{-5})$

$pK_b=5-\log (1.8)$

$pK_b=4.7$

Now we have to calculate the pOH of buffer.

Using Henderson Hesselbach equation :

$pOH=pK_b+\log \frac{[Salt]}{[Base]}$

Now put all the given values in this expression, we get:

$pOH=4.7+\log (\frac{0.55}{0.10})$

$pOH=5.44$

The pOH of buffer is 5.44

Now we have to calculate the pH of a solution.

$pH+pOH=14\\\\pH+5.44=14\\\\pH=14-5.44\\\\pH=8.56$

Thus, the pH of a solution is, 8.56

8 0

2 years ago

Cellular respiration occurs? (2 points)

Nataly_w [17]

Answer:

in plant and animal cells

Explanation:

It happens in both and occurs in the mitochondria.

6 0

3 years ago

Read 2 more answers