CHEMISTRY HIGH SCHOOL

In general, if the temperature of a chemical reaction is increased, the reaction ratea. increases.
b. decreases.
c. remains the same.
d. cannot be predicted.

Answers

Answer 1
Answer: In general, if the temperature of a chemical reaction is increased, the reaction rate increases as well. The correct answer is A.

Related Questions

Given the following two thermochemical equations, H2(g) + ICI(8) HCl(g) + HI(g) AH° = -83.1 kJ = 12(8) + HCl(g) HI(g) + ICI(8) AH° = 73.6 kJ determine the standard enthalpy change associated with the following reaction: H2(g) + 21C1(g) 2HCl(g) + 12(9) AH° = ? -9.5 kJ -283.0 kJ O 156.7 kJ 0 -156.7 kJ O 9.5 kJ
In the compound MgCl2, the subscript 2 indicates thata. there are two magnesium ions for each ion of chlorine b. the chloride ion is twice the size of the magnesium ion. c. magnesium and chlorine form a double covalent bond. d. there are two chloride ions for each magnesium ion.
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Any method of determining whether an event or object is older or younger than others

Answers

the answer is relative dating, btw

I believe its relative dating.

What is Nuclear Fission?

Answers

It's where a heavy nucleus splits on its own or upon impact. This will release energy and used in things like bombs, powerplants, etc
the main process of generating nuclear energy

if a jar of honey sits for a long time, sugar may crystallize in the jar.describe two possible cause for this crystallization?

Answers

Answer:

Temperature and humidity

Explanation:

Crystallization occurs in super saturated solution. These are the solutions that have solute to solvent ratio of 2:1 or more. Typical honey is 70% sugar and 20% water (the solute concentration is too high).  

Two things cause honey to crystallize.

  1. Temperature
  2. Humidity level

If temperature is lowered the rate of crystallization increases. This is because at low temperature the molecules of solvent come closer and the space between them reduces. This causes the additional solute molecules to be pushed up to form crystals.  

Secondly, humidity also plays a key role. If the humidity reduces, the water molecules evaporates from honey into air. This increases the relative concentration of the solute inside the honey, which causes the honey to crystallize.  
The two possible causes for crystallization in honey is 1. The condition of the room. (if the temperature keeps rising and dropping rapidly) 2. Crystallization rate also depends on the type of honey you keep in your cabinet. There are 300 different kinds of honey and each type crystalizes differently

The table lists the lattice energies of some compounds. Compound Lattice Energy (kJ/mol) LiF –1,036 LiCl –853 NaF –923 KF –821 NaCl –786 Which statement about crystal lattice energy is best supported by the information in the table? The lattice energy increases as cations get smaller, as shown by LiF and KF. The lattice energy increases as the charge of anions increases, as shown by LiF and LiCl. The lattice energy decreases as anions get smaller, as shown by NaCl and NaF. The lattice energy decreases as the charge of cations decreases, as shown by NaF and KF.

Answers

Answer :Option A) The lattice energy increases as cations get smaller, as shown by LiF and KF.

Explanation : It is observed that lattice energy is mostly influenced by two main factors of an ionic solid which are;

i) The charge on the ions - As the charge of the ions increases, the lattice energy is observed to increase too.

and

ii) The radius, or size, of the ions- As the size of the ions increases, the lattice energy decreases with it.

So, here in this question the second reason is clearly observed. Hence, it is self-explained that the size of the cations are decreased in the ionic solids the lattice energy increases.
The best and the most correct answer among the choices provided by the question is the first choice. The statement the supports the information is "The lattice energy increases as cations get smaller, as shown by LiF and KF." I hope my answer has come to your help. God bless and have a nice day ahead!

What do you call an atom that no longer has a neutral charge? A. molecule B. isotope C. ion

Answers

The correct answer is letter C. Ion is an atom that no longer has a neutral charge. It has either lost or gained it's electron. Hope this answer helps! Good luck!
An atom that no longer has a neutral charge is an C. Ion.

From top to bottom in most groups of elements, atomic radii tend to A. decrease because the nuclear charge increases. B. decrease because electrons are lost to other elements. C. increase because electrons are gained from other atoms. D. increase because additional energy levels are filled.

Answers

Answer: The correct answer is Option D.

Explanation:

Atomic radius is defined as the total distance from the nucleus to outermost orbital of the electron.

As moving from top to bottom, new shell is added around the nucleus. The outermost orbital gets far away from the nucleus and hence, the distance between the nucleus and outermost orbital gets increased.

Thus, the atomic radii of the elements increases as we move from top to bottom in a group.

Hence, the correct answer is Option D.
D. As more electrons are added to an element, the number of electron orbitals being filled increases
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