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crimeas [40]
3 years ago
10

Which question can be answered by science A:which type of candy taste best B:which kind of backpack do students purchase most of

ten C:why are children happy when they get home D:why should we help those less fortunate than us
Chemistry
1 answer:
sveticcg [70]3 years ago
3 0

Answer:B: Which type of backpack do students purchase most often

Explanation:   The right answer is B. because its a question you can graph informational data about, unlike any other answer. Hope this helped!

 

    ~Emilie Greene

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A solution of H2SO4(aq) with a molal concentration of 5.74 m has a density of 1.238 g/mL. What is the molar concentration of thi
Vika [28.1K]

<span>Molarity is expressed as the number of moles of solute per volume of the solution while molality is expressed as the number of moles solute per mass of solution. We calculate as follows:</span>

5.74 mol / kg (1.238 kg/L) = 7.10612 mol / L or 7.11 M

6 0
2 years ago
Main group elemants are arranged in _______ groups
Lorico [155]

Answer: susuus

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3 0
3 years ago
Please guys help me my quiz is timed and i dont have a lot of time left PLEASSE HELP ME!
tatyana61 [14]

Answer:

I think these are it

Explanation:

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5 0
2 years ago
Read 2 more answers
What is the nature of the Ca-Cl bond in a molecule of calcium chloride (CaCl2) if the electronegativity value of calcium is 1.0
nevsk [136]
Ca-Cl is an ionic bond. We know this because the difference between their electronegativities is 2.16.The electronegativity tells us which atom will attract the electron more than the other. Hence, chlorine attracts the electron a lot more than the calcium.A difference of more than 1.6 (or 1.7 depending on the source) implies that the electrons are so unevenly shared, that the bond is ionic, rather than polar covalent.

3 0
3 years ago
If you start with 6 mol of nitrogen gas (N2+) what mass (g) of ammonia (NH4) will be produced?
Yanka [14]

Answer:

204g of NH3

Explanation:

The balanced equation for the reaction is given below:

N2 + 3H2 —> 2NH3

Next, we shall determine the number of mole NH3 produced by reacting 6moles of N2. This is illustrated below:

From the balanced equation above,

1 mole of N2 reacted to produce 2 moles of NH3.

Therefore, 6 moles of N2 will react to produce = 6 x 2 = 12 moles of NH3.

Finally, we shall convert 12 moles of NH3 to grams. This is illustrated below:

Number of mole of NH3 = 12 moles.

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Mass of NH3 =..?

Mass = mole x molar mass

Mass of NH3 = 12 x 17

Mass of NH3 = 204g.

Therefore, 204g of NH3 will be produced from the reaction.

3 0
2 years ago
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