Chemistry » Page 9

Chemistry

Killian

2) which statement describes ionic bonding?

A) a lattice of ions in a sea of electrons.

B) electrostatic attraction between oppositely charged ions.

C) the sharing of electrons between atoms to gain a noble gas configuration.

D) the transfer of electrons from atoms of a non-metal to the atoms of a metal.

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Chemistry

Waylon Howard

How can fronts predict the weather?

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Chemistry

Tanya

Why does reducing solute particle size increase the speed at which the solute dissolves in water? A. It exposes more of the solute to the water molecules. B. It makes the temperature of the water significantly higher. C. It raises the pressure of the water molecules on the solute. D. It makes the water molecules move around faster.

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Chemistry

Yamilet Barnes

Phenol red is a common ph indicator. you add phenol red to an unknown substance and it turns yellow. what does this indicate about the ph of the substance?

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Chemistry

Leyla Lucero

What can negative human impact do to a biodiversity?

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Chemistry

Heidy Webster

Explain why the penguins of this species are considered carnivores

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Chemistry

Carley Murillo

Calculate the partial pressure of phosgene that is in equilibrium with a mixture of 0. 025 atm of carbon monoxide and 0. 003 5 atm of chlorine at 600°c.

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Chemistry

Kael Cook

The two isotopes of chlorine are 35/17 cl and 37/17cl. which isotope is the most abundant

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Chemistry

Guest

How many protons, electrons, and neutrons does the following isotope contain? 40 Ar

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Chemistry

Deandre Riley

You want to test the effect of water temperature on the rate of sugar

dissolution. Which of the following is an example of a controlled experiment

to test this?

A. The temperatures of five beakers of 250 mL of water are kept

constant, and 10 g of sugar is added to each beaker.

B. The temperatures of five beakers of 250 mL of water are varied,

and 10 g of sugar is added to each beaker.

C. The temperatures of five beakers of 250 mL of water are varied,

and 10 g of sugar is added to each beaker while three of the

beakers are stirred.

D. The temperatures of five beakers of 250 mL of water are varied,

and different amounts of sugar are added to each beaker.

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Chemistry

Chef

What are the 2 properties of glue?

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Chemistry

Sam Acosta

Calculate the volume of 38.0 g of carbon dioxide at STP. Enter your answer in the box provided. L

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Chemistry

Talan Walter

The larger the hole in the ozone layer gets,

A. the less UV rays reach the Earth

B. the more heat escapes from the Earth

C. the more UV rays reach the Earth

D. the warmer the Earth will get

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Chemistry

Cortez Daugherty

What material would be the best for a hip implant?

Fiber glass

Titanium

ABS

Steel

Rubber

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Chemistry

Branson Benson

What is your favorite element on the periodic table and why?

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