Chemistry » Page 88

Chemistry

Nathaniel Owen

The equation below shows how hydrochloric acid (hcl) ionizes in aqueous solution. based on this equation, what can you infer about the acid ionization process?

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Chemistry

Beaux

Give the molecular geometry and number of electron groups for sf4. give the molecular geometry and number of electron groups for. square planar, 6 electron groups square pyramidal, 6 electron groups t-shaped, 5 electron groups octahedral, 6 electron groups seesaw, 5 electron groups

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Chemistry

Cecilia Whitehead

Metallic pan is provided with a wooden plastic handle give reason

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Chemistry

Helena Shepard

A worm, a squid, an octopus, and a beetle are all

O

insects

arthropods

invertebrates

amphibiens

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Chemistry

Muhammad Sharp

Which common material is an example of a polyamide?

TeflonTM

nylon

polystyrene

PET fibers

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Chemistry

Malachi Ali

The hydrogenation of unsaturated hydrocarbons is

an important industrial process. Precious metals,

such as platinum and palladium, can greatly

increase the rate of this reaction. During this

process, the gaseous reactants are pumped

across a layer of metal powder. An example of this

process is shown below.

Describe how the metal probably increases the

reaction rate, identify whether this is an example

of homogeneous or heterogeneous catalysis, and

explain how you know.

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Chemistry

Dayton Fischer

What is the pH of a solution with a concentration of 7.6 * 10-7 M H3O+?

0.993

6.12

7.88

8.34

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Chemistry

Carpenter

How does this chemistry content connect to your Chemical Engineering Design Challenge project?

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Chemistry

Guest

Explain why pure water has a very slight electrical conductivity.

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Chemistry

Drake Fields

Which of the molecules represented below contains carbon with sp2 hybridization?

(A) CH4 (B) CH2Cl2 (C) C2H6 (D) C2H2Cl2 (E) C2H4Cl2

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Chemistry

Ally Marks

Why is butanone achiral?

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Chemistry

Nolan Short

How would global warming change the water cycle and the climate around bodies of water, like oceans and lakes?

A) Warmer temperatures would cause in a drier, hotter climate.

B) Warmer temperatures would cause more precipitation and less run-off.

C) Warmer temperatures would cause more evaporation and more precipitation.

D) Warmer temperatures would cause more evaporation and much less ground water.

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Chemistry

Sydney Wallace

What is a pencil made of

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Chemistry

Sierra Cline

How do convection currents cause the motion of tectonic plate

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Chemistry

Norah Montoya

A sample of matter must be copper if (1) each atom in the sample has 29 protons

(2) atoms in the sample react with oxygen

(3) the sample melts at 1768 K

(4) the sample can conduct electricity

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