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3 years ago

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If you serve 6 oz cups of soda how many servings can you pour from a 2 liter bottle? (32 fluid oz. = 1 qt. and 1 liter = 1.057 q

uarts)

1 answer:

Otrada [13]3 years ago

6 0

Answer:

do you want to know if the above answer is correct?

if yes its correct :)

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You are throwing a pizza party for 15 people and figure that each person will eat 4 slices. You call the pizza place and learn t

ANEK [815]

Answer:

15 people x 4 slices so you’ll need 60 pieces

60/12(the amount of slices per pizza) =5

You need 5 pizzas. $14.78 x 5 = 73.90.

Explanation:

the answer is that one 73.90 is rounded nearest cent : ) took me a while to get it

8 0

3 years ago

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Which is an acceptable Lewis structure for a diatomic nitrogen molecule?

timofeeve [1]

Nitrogen has 5 valence electrons (ve-), so a diatomic nitrogen molecule will have twice as many, 10 valence electrons. Then, just draw electrons in pairs of 2 until you both get ride of all of them (reach 0) and you fill every atom (eight electrons each). It can be drawn either way, the important thing is that there are 3 electron pairs shared between the two atoms.

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3 years ago

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What are two elements that produce background radiation on earth and what do their decay equations look like?

AlekseyPX

The two elements that produce background radiation on earth are Radon and Uranium. Airborne radon can decay on its own. Radon undergoes alpha decay to produce Polonium. Uranium naturally undergoes alpha decay to produce Thorium.

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3 years ago

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Assume that coal can be represented by the chemical formula C135H96O9NS. If 4.0 tons of coal is burned, what mass of nitrogen is

Schach [20]

Answer:

0.02 tons of NO produced when 4 tons of coal is burned

Explanation:

From the given,

Chemical formula of coal = $C_{134}H_{96}O_{9}NS$

Molecular mass of coal = $(134\times12)+(9\times1)+(9\times16)+14+32\,=1906.1gm$

Let’s calculate the mass of nitrogen in coal

$Percentage\,weight\,of\,nitrogen=\frac{Mass\,of\,nitrogen}{Molecular\,mass\,of coal}$

$Percentage\,weight/,of/,nitrogen=\frac{14}{1906.1}=0.73%$

Amount of coal burnt = 4tons

Amount of NO produced by burning 4tons = $4\,tons\,of\,coal\times \frac{0.73tons}{100\,tons\,of\,coal}=0.0292\,tons$

This nitrogen is converted into NO by reacting with atmospheric oxygen.

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3 years ago

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In everyday speech the words precision and accuracy are often used interchangeably. When these terms are used in science are the

padilas [110]

Answer:

No, in science their meanings are not the same as their everyday meanings.

Explanation:

In Science, Precision and Accuracy are defined as,

Accuracy:

Accuracy is the value which is closest to the known or standard value.

Precision:

While, Precision is the value of closeness of two measured values to each other.

Example:

Let suppose in Chemistry Lab you weight an object as 50 g. While the actual weight of that object is 30 g. It means your reading is not accurate.

On second measurement you find that the object weight is 31 g. This time your reading is not precise.

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3 years ago