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kondor19780726 [428]
2 years ago
14

Help please giving 10 points and brainlyiest

Chemistry
2 answers:
kompoz [17]2 years ago
8 0
The answer to the question is B and A
pshichka [43]2 years ago
5 0

Answer:

I would try B and A.

Explanation:

I say this only because some veggies may be hard to slice and to prevent emergencies you would want to make the handle longer. Making it sharper and thinner would help, too because it would be easier to hold.

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Describe how you created the 0.075 M glucose solution from the 1 M stock solution. Show your calculations and give details about
soldier1979 [14.2K]

Answer:

by addind

Explanation:idk how to do this

8 0
3 years ago
Predict the products of the reaction below
Mrrafil [7]

Answer:

HNO₃ + NaOH ---> NaNO₃ + H₂O

Explanation:

This reaction appears to be a double-displacement reaction. In these reaction, the cation of one compound is swapped with the cation of another.

As such, the hydrogen cation (H⁺) from HNO₃ is swapped with the sodium cation (Na⁺) of NaOH.

Luckily, all of the cations have a +1 charge and the anions have a -1 charge. This means that no coefficients are necessary to balance the reaction.

The <u>complete balanced </u>equation is:

HNO₃ + NaOH ---> NaNO₃ + H₂O

4 0
2 years ago
Acetone, a common solvent, has density 0.79g/cm3 at 20 degrees celcius. What is the volume of 85.1g of acetone at 20 degrees cel
RoseWind [281]
1)

a)

D = 0.79 g/cm³           m = 85.1 g

D = m / V

0.79 = 85.1 / V

V = 85.1 / 0.79 => 107.72 cm³
____________________________________________
b) D = m / V

0.79 = m / 125

m = 0.79 x 125 => 98.75 g
____________________________________________

hope this helps!

4 0
3 years ago
Read 2 more answers
What is the momentum of a 0.01 kg toy car moving at 5.0 m/s?
snow_tiger [21]

Answer: 0.05 kgm/s

Explanation:

8 0
3 years ago
Can you show me the answer and explain?
Hitman42 [59]

Answer:

C

Explanation:

looking at a periodic table X is fluorine and Y is potassium

Fluorine is in group 7 and forms a 1- charge (which gains electrons) and potassium is in group 1 and forms a 1+ charge (which loses electrons)

Fluorine (X) has an electronic structure of 2,7 and needs to gain an electron from Potassium (Y) to have a full outer shell and potassium has an electronic structure of 2,8,8,1 so needs to lose an electron to have a full outer shell as well. This means that the electron that potassium (Y) has lost is given away to fluorine (X), so both elements become stable.

This is known as ionic bonding where metals (like potassium) lose electrons and non-metals (like fluorine) gain electrons to become more stable, forming ions

Any further clarification let me know

6 0
2 years ago
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