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Chemistry

How are elements group into families

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Chemistry

How many moles of lithium are in 83 grams of lithium?

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Chemistry

Ocean constitutes most of ___ of water

a) Evaporation

b) Precipitation

c) Condensation

d) Transpiration

e) Sublimation

Don't choose a random letter.

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Humberto Rivers

Chemistry

In the reaction, Zn + HCl-> ZnCl2 + H2, 25 grams Zn are reacted with 17.5 grams HCl. How many grams of H2 will be produced?

A. 0.382 g of H2

B. 0.479 g of H2

C. 0.7865 g of H2

D. 0.484 g of H2

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Chemistry

Is nail varnish soluble?

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Chemistry

What is the periodic trend for atomic size from top and bottom in a group? From left to right in a period?

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Chemistry

Which planets' orbits is the belt located between the main asteroid belt?

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Chemistry

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

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Chemistry

What will happen if the density of an object is less than the density of water?

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Chemistry

Which cannot be separated into simpler substances? compound element solution mixture

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Chemistry

What jobs involve chesmistry

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Chemistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.

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Malakai Jefferson

Chemistry

What subatomic particle is specifically responsible for combining the atoms together to form a new substance?

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Chemistry

A chemist reported that 100 gallons of a gas were available in a laboratory. Which property of the gas did the chemist report?

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Chemistry

Is the water density higher than the aluminum density

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