Chemistry » Page 75

Chemistry

Nathan Rangel

Complete the mechanism for the cleavage of the ether by adding any missing atoms, bonds, charges, nonbonding electrons, and curved arrows.

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Chemistry

Desiree Underwood

A sentence for physical weathering

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Chemistry

Amy Miller

In order to dilute 1.0L of a 6.00M solution of sodium hydroxide to 0.500M concentration, how much water (in mL) must you add?

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Chemistry

Haylie Colon

In which isotope is the strong nuclear force not strong enough to balance electrostatic forces between protons?

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Chemistry

Maximus Yu

How many Joules does it take to heat up 15.1 kg of glass from 15°C to 45°C

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Chemistry

Asa

A solution of H 2 SO 4 (aq) H2SO4 (aq) with a molal concentration of 8.01 m 8.01 m has a density of 1.354 g / mL. 1.354 g/mL. What is the molar concentration of this solution?

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Chemistry

Jakobe Wells

The nucleus holds what?

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Chemistry

Asher Le

Which scientist proposed the "plum pudding" model of the atom?

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Chemistry

Amaya Mathews

Find the radius

(r)

of an aluminum cylinder that is 2.40

cm

long and has a mass of 13.0

g

. For a cylinder,

V=π

r

2

l

. (The density of aluminum is 2.70

g/c

m

3

.)

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Chemistry

Yael Boyer

A mixture of nitrogen gas and oxygen gas has a total pressure of 123.5 kPa. If the

nitrogen gas has a partial pressure of 104.5 kPa, what is the partial pressure of the

oxygen gas?

6

Ptotal = P1 + P2

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Chemistry

Erik Simpson

Select four of the following that are true of compounds.

A

They are held together by chemical bonds.

B

They are made up of a single type of atom.

C

They can be represented with a chemical formula.

D

They cannot be broken down by physical processes.

E

They cannot be broken down into smaller substances.

F

They are made of two or more different elements.

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Chemistry

Lane Poole

Element named for the scientist known for theory of relativity?

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Chemistry

Lainey Galloway

The part of the atom that accounts for electricity is the

A. nucleus.

B. proton.

C. neutron.

D. electron.

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Chemistry

Hannah Frederick

Express glucose in terms of atom ratio and mass ratio

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Chemistry

Price

14. Which of the following exhibit maximum paramagnetic behaviour - Fe3 + or

Ni2+

. Give reason. [Hint: Iron (Z = 26); Nickel (Z = 28) ]

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