Electron configurations are like an address because?

1 answer:

4 0

Each element shows the group and period they are through the number of energy level and valence electron in which can determine their place in the periodic table.

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1. Interpret the following equation using moles, molecules, and volumes (assume STP). Compare the mass of the reactants to the m

blsea [12.9K]

1. In this reaction, 2 moles of nitrogen gas reacts with 3 moles of oxygen gas to give 2 moles of N2O3 gas. 2 nitrogen molecules react with 3 oxygen molecules to give 2 N2O3 molecules. Under STP, one mole of an ideal gas occupies a volume of 22.4 liters. So in this reaction, 44.8 liters of nitrogen gas reacts with 67.2 liters of oxygen gas to give 44.8 liters of N2O3 gas. The total mass of the reactants (N2 and O2) is the same as the total mass of the product (N2O3). This is called mass balance of a chemical reaction.

2. According to the chemical reaction, 3 moles of chlorine gas produces 2 moles of iron(III) chloride. So, to produce 1 moles of iron(III) chloride, 3/2 (1.5) moles of chlorine gas is required. Therefore, to produce 14 moles of iron(III) chloride, 14 x 1.5 = 21 moles of chlorine is needed.

3 0

3 years ago

Read 2 more answers

How many moles of AgCl2 are in 5.78x1024 molecules of AgCl2?

Zolol [24]

Answer:

9.6 mol AgCl2

Explanation:

You have to use Avogadro's number: 6.023 x 10^23

5.78 x 10^24 molecules (1 mol AgCl2/ 6.023 x 10^23 molecules) =9.6 mol AgCl2

3 0

3 years ago

50 compounds in chemistry

Lana71 [14]

Answer:

$\Large \boxed{\mathrm{view \ explanation}}$

Explanation:

Chemical compounds are substances that contain two or more elements that are chemically bonded together.

Here are 50 chemical compounds:

Hydrogen peroxide
Fructose
Sulfur hexafluoride
Glucose
Sulfuric acid
Calcium nitrate
Nitrous oxide
Calcium sulfate
Ammonia
Hydrochloric acid
Potassium nitrate
Potassium nitrite
Sucrose
Methane
Carbon dioxide
Dihydrogen oxide
Putrescine
Chloroform
Ethene
Hydrazine
Sodium bicarbonate
Sodium chloride
Acetate
Magnesium sulfate
Urethane
Butyne
Nicotine
Maltose
Propene
Tartaric acid
Nitrogen dioxide
Butane
Butene
Propane
Pentane
Hexane
Benzene
Isobutane
Ovalene
Coronene
Pyrene
Chrysene
Napthalene
Acetic acid
Barium iodide
Aluminium oxide
Aluminium fluoride
Styrene
Toluene
Vinyl chloride

5 0

2 years ago

The following steps refer to various stages in transmission at a chemical synapse. 1. Neurotransmitter binds with receptors asso

Furkat [3]

Answer:

3,2,5,1,4

Explanation:

A chemical synapse begins when an (3)action potential reaches the axon terminal depolarizing the membrane leading to the opening of the voltage-gated Na+ channels, this Na+ ions will then depolarize the presynaptic membrane, opening the voltage-gated Ca2+ channels. (2)Calcium ions then will initiate a cascade entering the neuron that will lead to the fusion of synaptic vesicles with the presynaptic membrane (5)causing the releasing of neurotransmitters into the synaptic cleft. (1)These neurotransmitter will diffuse across the synaptic place in order to bind to the receptors on the postsynaptic membrane, (4)particulary into the ligand-gated channels, opening them.

I hope you find this information useful and interesting! Good luck!

7 0

3 years ago

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?

AlexFokin [52]

Using the ideal gas law: PV=nRT
P is pressure; V is volume; n is the amount in moles; R=0.082; T is temperature in K.

(4.68)*(4.95)=(16.45)*(0.0821)*T
Solve for T.
T=17.15

4 0

3 years ago