Salinity is a measure of which of the following in water?a. carbon dioxide
b. oxygen
c. dissolved salts
d. sand

Answers

Answer 1

Answer:

best answer is C. your welcome

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The process of a material going through a change of state from a gas to a liquid is called
In the early 1880s, the British Scientist John Dalton worked to find the atomic mass of several common elements.How could knowing the atomic mass of an element help a chemist do his or her work? A. The atomic mass could be used to convert that element into another element. B. The atomic mass could be used to identify an element. C. The atomic mass could be used to calculate the number of isotopes formed by the element.
These statements describe three different reactions. 1 - An atom shares electrons with another atom. 2 - The nucleus of an atom is split apart. 3 - An atom gains an electron from another atom. Which reaction(s) most likely release the greatest amount of energy? 1 2 1 and 3 2 and 3

The point at which a substance is at complete equilibrium is called? User: a hydrogen bond is a special form of what type of bond

Answers

I don't know what the answer to your first question is. All of my teachers have only called it the equilibrium point. However for your second question, a hydrogen bond is a special type of dipole-dipole attraction. Only oxygen, nitrogen, and fluorine are able to make them when bonded with hydrogen. Hydrogen bonding is what makes water have such a high boiling point considering how light the molecule is.

How many protons does hydrogen have?

Answers

Hello there!

Hydrogen has one proton because the number of protons in an atom is equal to the atomic number of the element. S ince hydrogen's atomic number is 1, it has one proton.

I hope that's help !

Answer:1

Explanation:

hydrogen only has 1

In a play, the rising action consists of the events that lead up to the a. last line in the scene
b. climax
c. external conflict
d. internal conflict

Answers

The rising action, which follows the expositions, comes just before the climax.

THE ANSWER IS THE RISING ACTION THEN I THINK GO TO INTERNAL CONFLICT THEN THE CLIMAX

As the first five elements in Group 15 areconsidered in order of increasing atomic number,
first ionization energy
(1) decreases
(2) increases
(3) decreases, then increases
(4) increases, then decreases

Answers

The correct answer is option 1. The first ionization energy, in group 15 elements in increasing atomic number, decreases. Ionization energy is the amount of energy requires to detach one electron from the atom. In the periodic table, the ionization energy decreases as one goes down.

Answer: The first ionization energy for the first five elements of Group 15 decreases.

Explanation:

Ionization energy is defined as the energy required to remove an electron from the outermost shell of an isolated gaseous atom. It is represented as $E_i$

$X(g)\rightarrow X^+(g)+1e^-;E_i$

Ionization energy decreases as we move down the group. This happens because the number of shells increases as we move down the group. The electrons are added in the new shell around the nucleus.

This results in the shielding of outermost electrons more from the inner ones, which decreases the attraction between the outermost electrons and the nucleus. Hence, the removal of electron from the outermost shell becomes easy and requires less energy.

Hence, the first ionization energy for the first five elements of Group 15 decreases.

Water changing from a liquid to a gas is _____.precipitation
evaporation
condensation
transpiration

Answers

Answer : The correct option is, evaporation

Explanation :

Evaporation : It is a type of process in which the phase changes from liquid state to gaseous state at constant temperature.

Condensation : It is a type of process in which the phase changes from gaseous state to liquid state at constant temperature.

Precipitation : It is a type of process in which the solid is formed when the reaction occurs in liquid solution.

Transpiration : It is a process in which the water moves from roots of the plant to the small pores. That means the movement of water through the plant.

When water changing from a liquid to a gas is an evaporation.

Hence, the correct option is, evaporation.

Answer:

The answer is evaporation

What terms are needed to completely describe velocity... A.units

B.number

C.mass

D.direction