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kondor19780726 [428]
3 years ago
7

For the following questions, use a periodic table and your atomic calculations to find the unknown information about each isotop

e: You have an isotope with 23 protons and 29 neutrons. How many electrons, assuming it is a neutral, uncharged atom? 23 29 52 6
Chemistry
1 answer:
Alecsey [184]3 years ago
6 0

The isotope of an atom containing 40 protons and 51 nuetrons suddenly has two nuetrons added to it. What isotope is created?

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The nonmetals include which of the following groups? Use the periodic table to answer the question.
strojnjashka [21]

Answer:

halogen

Explanation:

Group VIIA/halogen/ is the only group in periodic table in which all the elements are nonmetals. This group contains F, Cl, Br, I, and At. <em>Halogen</em> meaning salt producer.

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Heat from the sun travels to the Earth _____. in low frequency waves through the movement of molecules in high frequency waves b
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4 years ago
Using two spring scales, students pull on opposite sides of a dynamic cart at rest. 5 Newtons of force is pulling left and 5 new
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Answer:

C

Explanation:

7 0
4 years ago
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What is the osmotic pressure of a 100 ml of toluene solution that contains a total of 0.005 moles of a polymer dissolved in it a
allsm [11]

Osmotic pressure is the pressure that would have to be applied to a pure solvent to prevent it from passing into a given solution by osmosis.

That can be mathematical computed from the expression:

Osmotic pressure=C×R×T

Where,

C= Concentration

R=Gas constant

T=Temperature

Concentration=Number of moles of solute/Volume(L)

=0.005*1000/100

=0.05

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T=25+273

=298

Osmotic pressure= 0.05×0.08206×298

=1.2 atm

4 0
3 years ago
If the pressure on the surface of water in the liquid state is<br> 40 kpa, the water will boil at?
madam [21]

Answer:

Since this is old, im just gonna get these points, don't wan't them to go to waste lm.ao

Explanation:

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3 years ago
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