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snow_tiger [21]

3 years ago

12

When 3.77 moles of sodium carbonate react with excess calcium phosphate, how many moles of product will be produced from this re

action?

1 answer:

elixir [45]3 years ago

3 0

The solution is included.

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Imprints of the shells of ocean clams are often found in the rocks of the Appalachian Mountains. What do these imprint fossils M

Anit [1.1K]

A. It is the most reasonable answer

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2 years ago

Why has the acidity of the ocean increased over the years?

aalyn [17]

Answer:

I think it's A

Explanation:

Carbon dioxide is added to the atmosphere whenever people burn fossil fuels. ... As the amount of carbon dioxide in the atmosphere rises, the oceans absorb a lot of it. In the ocean, carbon dioxide reacts with seawater to form carbonic acid. This causes the acidity of seawater to increase.

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2 years ago

Sugar has a lower melting point than salt because sugar is made of _________.

il63 [147K]

The correct answer is Crystals.

Unlike sugar, salt is not made out of crystals, but both salt and sugar are made out of atoms, that is molecules, and can have ions.

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2 years ago

What generic products are produced by an Acid/Base reaction?

gavmur [86]

Answer:

Salt NaCl

Explanation:

5 0

2 years ago

Suppose a mercury thermometer contains 3.250g of mercury and has a capillary that is 0.180mm in diameter.. How far does the merc

Helga [31]

1) You need to get volume of both temperatures by using first attached formula V= Mass/Density $V_1 = (3.250 g)/(13.596 g/(cm^3)) = .2390 cm^3
At 25 degrees C (V_2e have:

V_2 = (3.250 g)/(13.534 g/(cm^3)) = .2401 cm^3$

2) Using the second formula you get the height of 0 degree
$h = V/(pi * r^2)


h_1 =(.2390 cm^3)/(pi*(.009 cm)^2) = 939.2 cm$

(radius in cm is $(0.180 mm) / 2 * (1 cm)/(10 mm) or .009 cm$

3) Then with h1 you can easily get the height of 25 degrees
$h_2 =(.2401 cm^3)/(pi*(.009 cm)^2) = 943.5 cm$

Subtract 943.5 cm - 939.2 cm, and obtain a rise in mercury height of 4.3 cm

5 0

2 years ago

Read 2 more answers