Chemistry » Page 96

Chemistry

Alayna Cannon

When electricity flows through a wire which of the following appears? Question 6 options: Gravitational Field Magnetic Field

Answer Answers (1)

Chemistry

Jean Berry

Which of the following is an appropriate food storage method

Answer Answers (1)

Chemistry

Odin Durham

WiFi, which allows wireless access to the internet, uses which electromagnetic wave?

A. Infared light

B. Radio waves

C. Ultraviolet light

D. Microwaves

Answer Answers (1)

Chemistry

Evelin Morrow

A certain shade of blue has a frequency of 7.02 * 1014 Hz. What is the energy of exactly one photon of this light?

Answer Answers (1)

Chemistry

Shayna Brock

How are the atomic number and the number of protons related to each other? how do the number of protons, number of neutrons, and the mass number relate to each other? what is the one thing that determines the identity of an atom (that is, whether it is an oxygen atom or a carbon atom, etc.) ?

Answer Answers (1)

Chemistry

Nayeli

What are water and carbon dioxide in the cellular respiration reaction?

They are reactants because they are present before the reaction.

They are reactants because they are present after the reaction.

They are products because they are present before the reaction.

They are products because they are present after the reaction.

Answer Answers (2)

Chemistry

Lyla Spence

Which series of atomic numbers represents the ordering of consecutive elements within the periodic table?

10, 20, 30, 40 ...

2, 4, 8, 16 ...

1, 3, 5, 7 ...

1, 2, 3, 4 ...

Answer Answers (1)

Chemistry

Emmalee

What is true of valence electrons? question 8 options: they are always the lowest energy electrons of the atom. they easily move from one orbital to another. they have difficulty moving from one orbital to another. they exist in the outer orbital?

Answer Answers (1)

Chemistry

Delacruz

Explain your reasoning for your formula prediction for Ba+2 and S-2

Answer Answers (1)

Chemistry

Harley Rogers

Does the solubility of borax increase or decrease as temperature increases?

Answer Answers (1)

Chemistry

Valentino Hamilton

Which statement correctly describes a reaction in dynamic equilibrium?

At dynamic equilibrium, the reactions stop and the amounts of reactants and products do not change.

At dynamic equilibrium, the reactions continue but the amounts of reactants and products do not change.

At dynamic equilibrium, the reactions stop but the amounts of reactants and products are changing.

At dynamic equilibrium, the reactions continue and the amounts of reactants and products are changing.

Answer Answers (2)

Chemistry

Baylee Richmond

The density of copper is 8.9 g/ml. How many Cm of copper are in 0.283kg of copper?

Answer Answers (1)

Chemistry

Alisson Peterson

The molar volume of oxygen, O2, is 3.90 dm3 mol-1 at 10.0 bar and 200 degree centigrade. Assuming that the expansion may be truncated after the second term, calculate the second virial coefficient of oxygen at this temperature.

Answer Answers (1)

Chemistry

Dania

Why is the dissolving process important?

Answer Answers (1)

Chemistry

Destiney Edwards

Suzie Q wants to know the effect of different colors of light on the growth of plants. She believes that plants can survive best in white light. She buys 5 ferns of the same species, which are all approximately the same age and height. She places one in white light, one in blue light, one in green light, one in red light and one in the closet. All of the ferns are planted in Miracle-Grow and given 20 mL of water once a day for 2 weeks. After the two weeks, Suzie observes the plants and makes measurements. What is the independent variable in this experiment? The plant species The amount of water that each plant gets The amount of time The different types of light the plants were put under.

Answer Answers (1)