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3 years ago

3. A diamond contains 0.090 moles of carbon What is the mass of the diamond?

Chemistry

1 answer:

Nady [450]3 years ago

3 0

Answer:

1.0809

Explanation:

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Which statement among the following is true?

slavikrds [6]

"Scientists believe that solids are mostly open space" is the statement among the statements given in the question that is true. The correct option among all the options that are given in the question is the second option or option "B". I hope that this answer has actually come to your help.

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3 years ago

If hurricanes form starting with moist warm air rising from the ocean surface, is this considered a low or high-pressure system?

stepan [7]

Answer:

Low pressure

Explanation:

Hurricanes are powerhouse weather events that suck heat from tropical waters to fuel their fury. These violent storms form over the ocean, often beginning as a tropical wave a low pressure area that moves through the moisture-rich tropics, possibly enhancing shower and thunderstorm activity.

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3 years ago

An investigator is gathering evidence and picks up a shirt that is covered in blood and is not yet dry. After bagging the eviden

ratelena [41]

Answer:

She should search for DNA

Explanation:

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3 years ago

How many grams of sodium hyrdioxde are in 251.0ml f 0.600m

Furkat [3]

Answer:

There are 6.024 grams of sodium hydroxide in the solution.

Explanation:

$Molarity=\frac{Moles}{Volume (L)}$

$Moles (n)=Molarity(M)\times Volume (L)$

Moles of sodium hydroxide = n

Volume of sodium hydroxide solution = 251.0 mL = 0.251 L

Molarity of the sodium hydroxide = 0.600 M

$n=0.600 M\times 0.251 L=0.1506 mol$

Mass of 0.1506 moles of NaOH :

$40 g/mol\times 0.1506 mol = 6.024 g$

There are 6.024 grams of sodium hydroxide in the solution.

4 0

3 years ago

What is the chemical formula of palladium (iv)sulfate

Margarita [4]

Answer: The chemical formula for Palladium(IV) sulfate is $Pd(SO_4)_2$

Explanation:

Palladium is the 46th element of the periodic table which has an oxidation state of +4 (because it is a metal and will form positive ion) and sulfate is the polyatomic ion having a charge of -2 with formula $(SO_4^{2-})$

So, to write the formula of the compound, we do criss cross method in which oxidation state of each element or ion is given to the other combining atom which results into the formation of a neutral compound.

The chemical formula of the compound is $Pd(SO_4)_2$

The image is given below.

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4 years ago