Chemistry » Page 68

Chemistry

Evan Juarez

True or false: A gene is a form of an allele.

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Chemistry

Talia Downs

159 l of hydrogen gas reacts with excess chlorine gas. what is the maximum amount of gas product that can be formed at stp

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Chemistry

Picasso

You and your friends are at the park on a sunny day, and you are playing on the slide. As you sold down, the hot slide burns your legs. Explian why this happened and why you didn't burn your hands when you climbed up the rope ladder

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Chemistry

Kameron

The physical properties of a compound are similar to those of its elements. true or false

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Chemistry

Kaya

How many grams of water can form if 113 g of acetylene is burned?

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Chemistry

Dayton

A cracker crushed in water will test positive with iodine but negative with benedict's solution. A

cracker crushed in water has another chemical called amylase added to it. After a few minutes,

this cracker tests negative with iodine and positive with benedict's solution. Explain what

happened.

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Chemistry

Hailey

Explain why a balloon filled with O2 at room temperature collapses when cooled in liquid nitrogen where as balloon filled with He does not

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Chemistry

Meza

Which mixture can be separated by using the equipment shown below?

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Chemistry

Devin Crane

El agua de Mar es una mezcla homogenea o disolucion Y El agua corriente Y El aire Y LA lejia Y Los refrescos con gas Y El suero fisiologico Y Las monedas Y LA leche Y LA gelatina Y Los productos de higiene Y El merengue

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Chemistry

Ean

The component which dissolves in a solution is called the ...

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Chemistry

Ruben Pineda

If this fossil is 65 million years old, what could this fossil suggest about organisms alive today?

A.

If it is similar to any two modern species, it could be a common ancestor of these species.

B.

A modern plant could be the ancestor of this ancient plant.

C.

If it is different from all modern species, it could mean that this plant never existed.

D.

It could be a very close relative of dinosaurs, which lived 65 million years ago.

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Chemistry

Yaretzi Fitzgerald

A compound composed of electrically chargerd atoms is called?

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Chemistry

Christian Lucero

If 5.0mL of HC2H30 require 4.96mL of 0.9581 M NaOH to just consume the HC2H302, what is the

concentration of the HC2H3O2? If necessary, show the calculation on a separate sheet of paper, scan, and

submit with your lab report.

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Chemistry

Rogelio Solis

How many formula units of CaSO4 are in 17g of CaSO4?

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Chemistry

Haleigh Walter

Which of these would be an appropriate way to describe the concentration of orange candies? Check all that apply

the number of orange candies divided by total number of candies

the mass of orange candies divided by total mass of candies

the volume of brown candies divided by volume of orange candies

the actual number of orange candies

the number of orange candies divided by number of brown candies

the number of orange candies plus number of brown candies

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