Chemistry » Page 65

Chemistry

Harper Benton

What kind of solution would have a Kb value much greater than 1?

A. a weakly acidic solution

B. a strongly basic solution

C. A strongly acidic solution

D. A weakly basic solution

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Chemistry

Larsen

Zoom all the way in to Daphne Major. Describe its appearance in two sentences.

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Chemistry

Annabelle Potter

An alloy contains 56 g of pure silver and 17 g of pure copper. What is the percentage silver in the alloy

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Chemistry

Tate Nixon

Suppose there is 0.63 g of HNO3 per 100 mL of a particular solution. What is the concentration of the HNO3 solution in moles per liter?

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Chemistry

Frankie Whitehead

Of the three thermodynamic quantities, δg, δh, δs, which is most useful for determining spontaneity of a reaction?

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Chemistry

Lily West

Does the density of an object depend on its size? Explain?.

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Chemistry

Dane Munoz

What are two fungal skin infections that humans can contract?

pneumonia and ergot disease

ergot disease and athlete's foot

athlete's foot and ringworm

ringworm and pneumonia

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Chemistry

Kenzie Mcclain

A critical biotic factor in Yellowstone National Park is

A) geographic isolation

B) high elevation

C) high temperature in the summer

D) population of wolves

E) proximity to water

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Chemistry

Lucia York

If energy can neither be created nor destroyed in a chemical reaction, what can happen to the energy

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Chemistry

Guest

Effect of ph on conformation of aplha helix

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Chemistry

Isabela Frazier

How can we tell when something is polar or non-polar in an Inter-molecular Force?

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Chemistry

Israel Todd

A reaction is most likely to occur when reactant particles collide with

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Chemistry

Judah Williamson

A student has a solution with a pH of 7. The student adds HF, hydrogen floride, to the solution, hoping to increases the pH of the solution. What is wrong with this student's approach?

Select one: A. You cannot change the pH of a solution. B. HF is an acid, so it will lower the pH of the solution. C. The pH of the solution is already as high as possible. D. The pH is 7, so the solution is already as acidic as possible.

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Chemistry

Kaylyn Cohen

What is more likely to happen if wetlands are drained?

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Chemistry

Isabell Hogan

A) If you weigh a hydrated compound before and after heating it. Do you expect the mass to be

more or less than before heating? Explain why.

b) How about if you weigh a bag of popcorn before and after heating it. Does the popped corn

weigh more or less than the unpopped kernels? Explain why.

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