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2 years ago

HELPPP!!

Chemistry

1 answer:

lord [1]2 years ago

5 0

Answer:

The anion at the end on the compound

Explanation:

to check whether a substance is soluble or not, you would find the anion at the end of the compound on a solubility chart and then see from there whether it is soluble or not

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Predict the products and then balance the equation

Aneli [31]

$\qquad \qquad\huge \underline{\boxed{\sf Answer}}$

Here's the balanced equation for given Double displacement reaction ~

$\sf Pb(NO_3)_2 +2 \: KI = PbI_2 +2 \: KNO_3$

The products fored are : Lead Iodide ( PbI2 ) and Potassium Nitrate ( KNO3 )

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2 years ago

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Na is best known as a(n):

Lady bird [3.3K]

Answer:0

Explanation:

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2 years ago

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Explain what you think a compound is

Kryger [21]

Answer:

composed of two or more parts, elements, or ingredients:

Explanation:

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2 years ago

Mercury is a liquid metal having a density of 13.6 gml what is the volume of 1.00 lb of mercury metal

tresset_1 [31]

The volume of 1.00 lb of mercury metal : 33.352 ml

<h3>Further explanation </h3>

Density is a quantity derived from the mass and volume

Density is the ratio of mass per unit volume

Density formula:

$\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}$

ρ = density

m = mass

v = volume

Density of metal(mercury) = 13.6 g/ml

mass of mercury : 1 lb = 453,592 g

So the volume :

$\tt V=\dfrac{453,592~g}{13.6~g/ml}\\\\V=33.352~ml$

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3 years ago

When an atom _______<br> an electron, it charge is negative .

nikitadnepr [17]

Answer:

Gains

Explanation:

If it gains an electron it causes the atom to become negative since electrons are negative and an overall charge of an atom is neutral. Therefore, it would become negative.

Hope this helps :)

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2 years ago

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