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2 years ago

Helppppp!!!! Please.....

Chemistry

1 answer:

Inessa05 [86]2 years ago

6 0

Club soda so A, you just gotta match the color that it says for it to the chart and it’ll show the identity the ph which is four I believe It said

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What is the mass of 1.72 moles of sodium nitrate? Use the periodic table and the polyatomic ion resource. A. 85.0 g B. 91.2 g C.

Mrac [35]

The answer is C. 146g because you add all of the masses of the individual elements and then mulyiply by 1.72 to get your answer.

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3 years ago

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What is the density of an object having a volume of 8 ml and a mass of 22 grams?

solniwko [45]

Answer:

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2 years ago

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What is the difference between a weak and strong base?

morpeh [17]

The answer is “Only some of the molecules of a weak base dissociate to produce hydroxide ions when mixed with water, but all of the molecules of a strong base dissociate to produce hydroxide ions”

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3 years ago

Duncan takes a break from studying and goes to the gym to swim laps If swimming burns amount of time ? 85 * 10 ^ 5 cal per hour

Volgvan

When 6.85×10⁵ cal is converted to kilojoules, the result obtained is 2866.04 KJ

<h3>Data obtained from the question </h3>

Energy (cal) = 6.85×10⁵ cal
Energy (KJ) =?

<h3>Conversion scale </h3>

1 cal = 0.004184 KJ

<h3>How to convert 6.85×10⁵ cal to kilojoules</h3>

1 cal = 0.004184 KJ

Therefore,

6.85×10⁵ cal = 6.85×10⁵ × 0.004184

6.85×10⁵ cal = 2866.04 KJ

Thus, 6.85×10⁵ cal is equivalent to 2866.04 KJ

Learn more about conversion:

brainly.com/question/2139943

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2 years ago

How many solutions does the equation (3x + 7) = -4 have?<br>B. one<br>C. WO<br>D. infinitely many

Eddi Din [679]

Answer:

Its One

Explanation:

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3 years ago