3 years ago

Which sentence uses the positive form of an adverb?

Chemistry

1 answer:

kenny6666 [7]3 years ago

7 0

The answer is A. Mom carefully bandaged my finger.

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The feed to a batch process contains equimolar quantities of nitrogen and methane. write an expression for the kilograms of nitr

timama [110]

1) number of moles of N2 = n/2

2) Number of moles of CH4 = n/2

3) Total number of moles of the mixture = n/2 + n/2 = n

4) Kg of N2

mass in grams = number of moles * molar mass

molar mass of N2 = 2 * 14.0 g/mol = 28 g/mol

=> mass of N2 in grams = (n/2) * 28 = 14n

mass of N2 in Kg = mass of N2 in grams * [1 kg / 1000g] = 14n/1000 kg = 0.014n kg

Answer: mass of N2 in kg = 0.014n kg

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3 years ago

Is the following detente true or false? Paramecia have two nuclei

blondinia [14]

Paramecia have a micro nuclei and a macro nuclei.

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3 years ago

How many electrons in the 4 and 5th shell?

patriot [66]

The fifth shell can hold up to 50 electrons and the forth shell can hold 8 electrons

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3 years ago

5. A hollow glass sphere has a volume of 350 mL and

Rina8888 [55]

Explanation:

Given that,

Volume of a hallow glass sphere is 350 mL

Specific gravity is 1.252

We need to find the weight of the sphere. The ratio of density of substance to the density of water is called specific gravity.

The density of water is 1 g/mL

$\text{specific gravity}=\dfrac{\text{density of substance}}{\text{density of water}}\\\\SG=\dfrac{m}{V\times \rho_w}\\\\m=SG\times V\times \rho_w\\\\m=1.252\times 350\ mL\times 1\ g/mL\\\\m=438.2\ \text{grams}$

We know that,

1 pound = 453.592 grams

So,

m = 0.97 lbs

So, the weight of the sphere is 0.97 lbs or 0.97 pounds.

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How many grams of carbon dioxide are produced when 16 g of methane and 48 g of oxygen gas combust

larisa [96]

I believe the correct answer is 11 g

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2 years ago