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Makovka662 [10]
3 years ago
5

Oxygen and hydrogen are most likely to form what type of bond?

Chemistry
2 answers:
Alinara [238K]3 years ago
6 0
I  think the correct answer from the choices listed above is the second option. Oxygen and hydrogen are most likely to form covalent bonds. It <span>is a chemical </span>bond<span> that involves the sharing of electron pairs between atoms. Hope this answers the question. Have a nice day.</span>
tekilochka [14]3 years ago
3 0
Oxygen and Hydrogen would most likely form a covalent bond that is polar, or a polar covalent bond. Due to the electronegativity difference between the 2 elements, unequal sharing of the valence electrons will occur, electrons being in closer proximity to Oxygen and farther away from Hydrogen. Resulting in the characteristic partial positive and negative charges to appear for the respective elements.
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Please help quick
Rama09 [41]

Answer:

c = 0.898 J/g.°C

Explanation:

1) Given data:

Mass of water = 23.0 g

Initial temperature = 25.4°C

Final temperature = 42.8° C

Heat absorbed = ?

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

Specific heat capacity of water is 4.18 J/g°C

ΔT = 42.8°C - 25.4°C

ΔT = 17.4°C

Q = 23.0 g ×  × 4.18 J/g°C × 17.4°C

Q = 1672.84 j

2) Given data:

Mass of metal = 120.7 g

Initial temperature = 90.5°C

Final temperature = 25.7 ° C

Heat released = 7020 J

Specific heat capacity of metal = ?

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = 25.7°C - 90.5°C

ΔT = -64.8°C

7020 J = 120.7 g ×  c ×  -64.8°C

7020 J = -7821.36 g.°C ×  c

c = 7020 J / -7821.36 g.°C

c = 0.898 J/g.°C

Negative sign shows heat is released.

7 0
3 years ago
Good morning my friend please follow me​
Anna35 [415]
It’s night for me :D
7 0
3 years ago
During a 4 hour trip, a boat sailed 70 km in 2 h. Then the boat did not move for 1 hour and traveled 26 km in the last hour. Wha
Lubov Fominskaja [6]

Answer:

32km/hr

Explanation:

The question asks to calculate the average speed for a boat.

Mathematically, the average speed is the total distance divided by the total time

Let’s get the total distance traveled:

That would be 70km + 26km = 96km

Now the total time taken would be 3 as the boat did not move at all for an hour.

The average speed is thus 96/3 = 32km/hr

7 0
3 years ago
6) 3.2 grams of sodium chloride is dissolved to make 0.25 liters of solution. Hint Convert grams to moles first! Molar mass of N
otez555 [7]

Which solution is the least concentrated?

O 2 moles of solute dissolved in 4 liters of solution

5 0
2 years ago
Which unit is used for measuring atomic mass? A. atomic mole B. grams/mole C. grams D. atomic mass unit E. atomic mass weight
mihalych1998 [28]

The atomic mass is defined as the mass an atom of an element. The atomic mass in approximation is equal to the sum of number of neutrons and protons in the nucleus of an atom (mass number). The units which are used for measuring the atomic mass is atomic mass unit, u.

Thus, the correct option is option E that is atomic mass unit is used for measuring atomic mass.

7 0
3 years ago
Read 2 more answers
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