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Elenna [48]
3 years ago
13

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SAT
1 answer:
Goryan [66]3 years ago
4 0

Answer:

This looks like a very important question that I just don't know the answer to.

Explanation:

You might be interested in
Assuming ideal solution behavior, how many liters of hcl gas, measured at 30. 0 °c and 745 torr, are required to prepare 1. 25 l
Nostrana [21]

The volume of HCl gas required to prepare the solution is 101.54 L

<h3>How to determine the mole of HCl </h3>
  • Volume of solution = 1.25 L
  • Molarity = 3.20 M
  • Mole of HCl =?

Mole = Molarity x Volume

Mole of HCl = 3.2 × 1.25

Mole of HCl = 4 moles

<h3>How to determine the volume of HCl </h3>
  • Number of mole (n) = 4 moles
  • Temperature (T) = 30 °C = 30 + 273 = 303 K
  • Pressure (P) = 745 torr = 745 / 760 = 0.98 atm
  • Gas constant (R) = 0.0821 atm.L/Kmol
  • Volume =?

Using the ideal gas equation, the volume of the HCl gas can be obtained as follow:

PV = nRT

Divide both side by P

V = nRT / P

V = (4 × 0.0821 × 303) / 0.98

V = 101.54 L

Learn more about ideal gas equation:

brainly.com/question/4147359

3 0
3 years ago
Does anybody know how to mark people as brainliest
Feliz [49]

\small\color{purple}{ \colorbox{blue}{\colorbox{aqua} {Question:}}}

How to mark people's Answer as brainliest?

\small\color{purple}{ \colorbox{blue}{\colorbox{aqua} {Answer:}}}

When we ask any questions, that time many of the user's find it easy and answer our questions but only two users can able to answer our questions. So, When two users answers our questions, remember, there will be a Option “Mark as brainliest” down the one answer & another down of one answer. So, The answer which you think is satisfied to you and is good, then mark that answer as brainliest. If only one user has answered your question, Then the option “Mark as brainliest” wouldn't come quickly, after one day or two days, the Option of marking answer as brainliest will come and also you'll get the notification about it. Also, When you make anyone's answer as brainliest, you also gain some points!

<h3>HOPE IT HELPED YOU TIKKI!! </h3>

MARK ME AS BRAINLIEST IF IT HELPS YOU! (^‿^)

3 0
3 years ago
................................................................
d1i1m1o1n [39]

..... .. . . . . ..... . . . . . . ....... ..... . .. . .  .. .. . . .

<em>*laughs in morse code*</em>

6 0
3 years ago
Which are steps that could be used to solve 0 = 9(x2 6x) – 18 by completing the square? Check all that apply. 18 81 = 9(x2 6x 9)
Marina CMI [18]

Answer:

18 + 81 = 9(x² + 6x + 9) 11 = (x + 3)²

Explanation:

because  This is the value that completes the square. However, since the entire square is multiplied by 9, this value must be multiplied by 9 before we can add it across the equals:

18 + 9 (9) = 9 (x² + 6x + 9)

18 + 81 = 9 (x² + 6x + 9)

99 = 9 (x² + 6x + 9)

Dividing both sides by 9, we have:

11 = x² + 6x + 9

11 = (x + 3) ²

4 0
3 years ago
A photographic stop bath contains 160ml of pure acetic acid.
NeTakaya

Answer:

Solving for the Percent by Volume

The v/v concentration of acetic acid in the stop bath is 24.6%.

Explanation:

To answer the question, we need to identify certain information stated in the question. Let us write down what’s given:

Volume of solute = 160 mL

Volume of solution = 650 mL

Next, we need to determine what is required, in this case, the percent by volume. Now, let us look at the formula:

v/v concentration = (solute volume / volume of the solution) * 100

Solution:

Percent by Volume = (160 / 650) * 100

Percent by Volume = 0.2461538461538462 * 100

Percent by Volume = 24.61538461538462

Rounded off = 24.6%

Therefore, the final answer is 24.6%

Explanation:

7 0
2 years ago
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