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4 years ago

An atom can be called a particle, but a molecule is never called a particle. True or False ?

Chemistry

1 answer:

ivanzaharov [21]4 years ago

5 0

Answer: False; it contains particles, but that doesn't mean it's a particle itself.

Hope this help.

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Tim and Jim finished their lab experiment earlier than their classmates. What should they do while they wait for the others to f

Alisiya [41]

The answer to your question is,

C. Look over their answers to the lab questions and check for errors.

-Mabel <3

3 0

4 years ago

A student mixed 100 mL of water at 15°C with 100 mL of water at 65°C. What is the final temperature of the water?

horrorfan [7]

Answer:

50°C

Explanation:

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3 years ago

What is the molarity of the 8.76 g of Na2S dissolved in 0.500 L of solution?

AlexFokin [52]

Answer:

.224 M

Explanation:

To begin, we need to find the molar mass of Na2S

Na=22.99g, S=78.05g

2(22.99)+1(32.07)=78.05

To find Molarity, we use the equation M=moles/Liters of solution

We are given grams, so we must divide by the molar mass of Na2S to find moles.

8.76g Na2S / 78.05g/mol Na2S= .112 moles

Now we use our Molarity equation:

.112 moles Na2S / .500L of solution = .224 M

6 0

2 years ago

Chemistry ques class 10 plz answer it plzzz pzzzzx solve it

weqwewe [10]

Fe2O3 + 2Al => Al2O3 + 2Fe↓

reaction of changing.

In this type of reaction one element or group of elements from one substance is changed with a single element.

7 0

3 years ago

Calculate the molarity of 4.56 grams of NaCl dissolved in 355 ml of total solution?

alexira [117]

Answer:

0.22 mol / L

Explanation:

Please see the answer in the picture attached below.

Hope this can help you. Have a nice day !

3 0

3 years ago