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Wittaler [7]
3 years ago
7

Orange juice is a mixture of several substances, including water, sucrose, and

Chemistry
1 answer:
LekaFEV [45]3 years ago
7 0

Answer:

C. The samples contain the same substances in a fixed proportion.

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Using coupons seems like an old-fashioned, time-consuming way to save a few cents on the products you buy at the grocery store. After all, most coupons don't usually have a face value of more than $1 and, quite often, they're worth far less. But done properly, couponing can save you thousands of dollars every year.
7 0
3 years ago
A mixture of krypton and argon gas is expanded from a volume of 88.0L to a volume of 100.0L, while the pressure is held constant
Firlakuza [10]

Answer:

-3.28 × 10⁴ J

Explanation:

Step 1: Given data

  • Pressure exerted (P): 27.0 atm
  • Initial volume (Vi): 88.0 L
  • Final volume (Vf): 100.0 L

Step 2: Calculate the work (w) done by the gaseous mixture

We will use the following expression.

w = -P × ΔV = -P × (Vf - Vi)

w = -27.0 atm × (100.0 L - 88.0 L)

w = -324 atm.L

Step 3: Convert w to Joule (SI unit)

We will use the conversion factor 1 atm.L = 101.325 J.

-324 atm.L × 101.325 J/1 atm.L = -3.28 × 10⁴ J

5 0
3 years ago
A bottle contains 158.1 grams of lead (II) sulfate (PbSO4), used for car batteries. How many moles does it contain?
Zinaida [17]
I hope this helps :)

7 0
2 years ago
What is the mass in grams of 0.375 mol if the element potassium, k?<br><br>​
alexandr402 [8]

Answer: 14.625g

Explanation:

No of moles= mass given/molar mass

No of moles given= 0.375mol

Mass is the unknown (?)

Molar mass of K= 39

No of moles = mass given/molar mass

Substitute the values

0.375= mass/39

Cross multiply

Mass = 39×0.375

Mass= 14.625g

The mass is 14.625g

3 0
3 years ago
Read 2 more answers
AGAIN PLEASE ONLY ANSWER IF YOUR GOING TO HELP TY!
Vladimir [108]

Answer:

do you have any socials to add me so i ca answer /try answer all ur questions or if not jist asl the internet these question

Explanation:

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5 0
3 years ago
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