CHEMISTRY HIGH SCHOOL

Two examples of silicate minerals are

Answers

Answer 1
Answer: look it up on google that’s how i get my answers :)
Answer 2
Answer:

Answer:

who know

Explanation:

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Plz I need help is the 2nd time I post this
Calculate ℰ° values for the galvanic cells described below. (a) cr3+(aq) + cl2(g) equilibrium reaction arrow cr2o72-(aq) + cl -(aq) v (b) io3-(aq) + fe2+(aq) equilibrium reaction arrow fe3+(aq) + i2(aq)
What is the scientific name for the layer of gas that surrounds the Earth

What type of compound is always an electrolyte?a. polar covalent
b. nonpolar covalent
c. ionic
d. network solid

Answers

Answer:

Options A and C

Explanation:

An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. The dissolved electrolyte separates into cations and anions, which disperse uniformly through the solvent.

Based on the definition above the key factor is the ability of the substance to separate into cations and anions.

Option A - This is correct because Some polar covalent compounds are also strong electrolytes. A typical example is HCl.

Option B - This is incorrect because nonelectrolytes end to contain covalent bonds and are typically nonpolar molecules.

Option C - Electrolytes tend to contain ionic bonds that break when the chemical interacts with water and other polar solvents. So electrolytes are typically ionic compounds. This ption is correct.

Option D - A network solid or covalent network solid is a chemical compound (or element) in which the atoms are bonded by covalent bonds in a continuous network extending throughout the material. Examples of network solids include diamond. This option is also incorrect.
Ionic compounds are always electrolytes because they dissociate into ions in solution

Cold packs are used to treat minor injuries. Some cold packs contain NH4NO3(s) and a small packet of water at room temperature before activation. To activate this type of cold pack, the small packet must be broken to mix the water and NH4NO3(s). The temperature of this mixture decreases to approximately 2°C and remains at this temperature for 10 to 15 minutes.State the direction of heat flow that occurs when the activated cold pack is applied to the body.
Identify both types of bonds in the NH4NO3(s).

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These types of reactions are called endothermic reactions. This is when the system absorbs the heat from the surrounding. In this case, the system is the chemical reaction and the environment is the direct vicinity of the chemical reaction. You notice that the pack becomes cold because heat from the surrounding is being absorb. 

The bonds involved in this substance includes ionic bonding and polar covalent. 

Which organic compound is unsaturated?(1) 2-methylbutane (3) 2-hexanol
(2) 2-chloropropane (4) 2-pentene

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The answer is (4) 2-pentene. The pentene belongs to olefin and has double bonds between the carbon atoms. And the other three belongs to alkane which don't have double bonds. So the pentene is unsaturated.

The best method to improve air quality is to

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Stop littering and polluting
Hi There!

The best method to improve air quality? I'm going to do indoor. :P

•Circulate, Circulate

•Renovate Wisely

•Filter Refresher

•Common Scents

•Clean 

13. when "doing science" using the scientific method, which of these would be at the top of the list? this is about science, lesson 5 unit 1 the scientific method, pl help me, I have a bad grade an I want to get this right, this assignment is worth 68 eight points for Connexus.

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Answer:

OBSERVING AND QUESTIONING

Explanation:

when you use the scienfic method the first thing you have to do is question you theory and coming up with a hypothesis which is what you expect to happen

Answer:

make an observation

Explanation:

Which one of the following is smallest in size?

N3-               O2-               F-                Na

Answers

F- is the smallest because it accepts 1 electron 2 make its atomic number 10 making it have jst 2 orbitals but O²-,N³- and Na have their atomic number to be 18,17 and 11 respectively with 3 orbitals..
hope this helps *winks*
F- is the smallest. Na is largest, so that would not be correct 100%
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