3 years ago

Help on science questions please!!!

Chemistry

1 answer:

kow [346]3 years ago

6 0

Plastic doesn’t connect to metals

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What element is found in group 5 period 3?

tatuchka [14]

Answer:

Phosphorus

Explanation:

A group is a vertical column on the periodic table.

A period is a horizontal row on the periodic table.

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3 years ago

Next to each formula, write the number of atoms of each element found in one unit of the compound

satela [25.4K]

To answer this question I would have to know the elements in the compound

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Part A Write balanced molecular equation for the reaction between nitric acid and calcium hydroxide. Express your answer as a ch

Basile [38]

Answer:

2HNO3+Ca(OH)2 = Ca(NO3)2+2H2O

Explanation:

The reaction between Nitric acid(HNO3)and Calcium hydroxide(Ca(OH)2) gives Calcium Nitrate( Ca(NO3)2 and Water( H2O)

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3 years ago

Binary ionic compounds are named

aleksklad [387]

Binary compounds are easy to name. The cation is always named first and gets its name from the name of the element. For example, K+ is called a potassium ion. An anion also takes its name from its element, but it adds the suffix -ide to it.

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Consider separate 1.0-L samples of He(g) and UF6(g), both at 1.00 atm and containing the same number of moles. What ratio of tem

diamong [38]

V = \sqrt{x} 3 * R * T / MW

V = RMS velocity

R = 8.3145 J/K*mole

T = Temperature K

MW = Molecular weigh in Kg

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3 years ago