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quester [9]
3 years ago
7

How many neutron in total were produced by the two

Chemistry
1 answer:
Archy [21]3 years ago
8 0

Answer:

4

Explanation:

How many neutrons in total were produced by the two

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Calculate the volume in Liters of 15 moles of Neon gas (at STP)
Archy [21]
Step by step solution:

Its given;
Moles of neon at STP is 15 mol
We are required to calculate the volume;
According to molar gas volume, 1 mole of a gas occupies a volume of 22.4 liters at STP.
That is, 1 mole of a gas = 2.4 L
Therefore;
1 mole of Neon gas = 22.4 L

Volume = Moles of the gas × molar gas volume
= 15 mol × 22.4 L/mol
= 336 L
5 0
3 years ago
Solutions of sodium sulfate and silver nitrate are mixed together.
Vera_Pavlovna [14]

Answer:

<em>The correct option is a) Precipitate: silver sulfate </em>

<em> </em>

<em>Net Ionic: 2Ag+ +  SO42 →Ag2SO4</em>

Explanation:

When sodium sulfate reacts with silver nitrate, the following reaction occurs:

2AgNO3 + Na2SO4  → Ag2SO4 + 2NaNO3

The NaNO3 is easily soluble in water. However, silver ions form an insoluble solid with SO4. The Ag+ in this compound will be a cation having a positive charge. The SO4- will be an anion having an negative charge.

The table with solubility rules show that the sulfates of  Ag+, Ca+, Sr2+, Ba2+, Hg22+ and Pb2+ are insoluble.

5 0
3 years ago
Ground based reflecting telescopes use what part of the
miss Akunina [59]

Ground based reflecting telescopes uses the radio wave part of the electromagnetic spectrum to view objects.

<h3>What is a Telescope?</h3>

This is an optical instrument which makes things or objects which are far to look nearer.

Ground based reflecting telescopes are used in outer space and blocks gamma , light waves etc but uses the radio waves.

Read more about Telescope here brainly.com/question/12818287

#SPJ1

7 0
2 years ago
Read 2 more answers
A reaction which needs to gives off energy to complete the chemical reactions is called an
sukhopar [10]

Answer:

Exothermic reaction

Explanation:

Cause im a kid genius and i just got the question right on usa test prep

8 0
3 years ago
If 27.50 mL of 0.120 M NaOH neutralizes 0.248 g of HAA, what is the molar mass of unknown amino acid
tino4ka555 [31]

Answer:

75.15 g/mol

Explanation:

First, let us look at the equation of reaction;

NaOH + HAA --> NaAA + H_2O

From the balanced equation of reaction, 1 mole of NaOH is required to completely neutralize 1 mole of HAA.

Recall that: mole = molarity x volume.

Therefore, 27.50 mL, 0.120 M NaOH = 0.0275 x 0.120 = 0.0033 moles

0.0033 mole of NaOH will therefore requires 0.0033 moles of HAA for complete neutralization.

In order to find the molar mass of the unknown amino acid, recall that:

<em>mole = mass/molar mass</em>, hence, <em>molar mass = mass/mole</em>.

Therefore, molar mass of HAA = 0.248/0.0033 = 75.15 g/mol

6 0
3 years ago
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