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Chemistry

Jaidyn Baker

A compoundwhose water solution conducts electricity and turns phenolphthalein pink is?

A. CH3OH

B. HC2H3O2

C. HCl

D. NaOH

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Chemistry

Amani Cantrell

The specific gravity of an object is 14.5. The object displaces 4 mL of water. What is its mass

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Chemistry

Adriana Kemp

Select the correct electron configuration for Vanadium. (Atomic Number 23)

1s 2 2s 6 2p 3 3s 2 3p 4 4s 2 3d 5

1s 2 2s 2 2p 6 3s 2 3p 8 4s 2 3d 1

1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 3

1s 2 2s 2 2p 5 3s 2 3p 7 4s 1 3d 4

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Chemistry

Guest

Need a correct answer fast

How many moles of solute are contained in a 500.0 milliliter solution that has a concentration of 0.35 M?

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Chemistry

Figaro

Starting from school you bicycle 2 km north then 6km east then 2km south. What is your final position relative to the origin (two coordinates)

A garbage truck takes 10 sec to go from 0km/hr-100km/hr. What is it's acceleration

An object falls for 3 seconds what is it's speed after 3 sec (acceleration due to its gravity is 9.8 m/s)

If a car is changing direction but it's speed remains constant is it's acceleration 0?

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Chemistry

Jingles

Which of the following correctly explains the role of enzymes in biochemical reactions? A) Enzymes provide energy in the form of ATP to lower the activation energy needed for the reaction. B) Enzymes bond with one or more reactants and lower the activation energy needed for the reaction. C) Enzymes bond with one or more reactants to increase the amount of energy needed for the reaction. D) Enzymes provide energy in the form of high-energy chemical bonds to increase the overall energy of a reaction.

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Chemistry

Boyer

Can a beta live in the same tank with an oscar fancy fish

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Chemistry

Michaela Barrera

List two things that might spin a generator to produce electricity

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Chemistry

Amelia Rivers

Which would be true if you went to the moon

A: your mass would decrease but your weight would stay the same

B:your weight would decrease but your mass would stay the same

C your weight and mass would increase

D your weight and mass would decrease

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Chemistry

Gloria Prince

Q 9.3: how many triplets would you expect to observe in the 1h nmr spectra for o-chlorotoluene

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Chemistry

Jaslyn Parrish

What has happen to join two monosaccharide units into a disaccharide?

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Chemistry

Myles Shah

Choose the pair of substances that are most likely to form a homogeneous solution.

a. c6h14 and c10h20

b. libr and c5h12

c. n2o4 and nh4cl

d. c6h14 and h2o

e. none of these pairs will form a homogeneous solution.

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Chemistry

Nyla Floyd

A glucose solution (C₆H₁₂O₆₎ has 90 g of glucose in a 500 ml flask. What is the molarity?

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Chemistry

Justin Hammond

Atoms of cesium can lose electrons to become cations. how many electrons does a single cesium atom lose? explain your answer.

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Chemistry

Louis

Which of the following are true about a block of ice at - 10°C as you continue to apply heat.

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