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inessss [21]
3 years ago
5

Which statement describes one feature of Rutherford’s model of the atom?

Chemistry
1 answer:
lara31 [8.8K]3 years ago
3 0

Answer:

an atom mainly consists of empty space around the nucleus

Explanation:

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Which is true of cell differentiation?
SSSSS [86.1K]

Answer:

B

Explanation:

When stem cells differentiate, they are different (almost like mutation).

8 0
3 years ago
Read 2 more answers
For the reaction
Pepsi [2]

Answer:

Mass of Na₂CrO₄ =  5.75 g

Explanation:

First of all we will write the balance chemical equation.

2AgNO₃ + Na₂CrO₄     →    Ag₂CrO₄  +  2NaNO₃

Now we will calculate the moles of AgNO₃.

Number of moles = mass / molar mass

Molar mass of AgNO₃ = 107.87 + 14 + 3× 16 =  169.87 g/mol

Number of moles = mass / molar mass

Number of moles = 12.1 g / 169.87 g/mol = 0.071 mol

Now we will compare the moles of AgNO₃ and  Na₂CrO₄ from balance chemical equation.

                        AgNO₃    :     Na₂CrO₄

                          2            :           1

                          0.071     :           1/2× 0.071 = 0.0355

Now we will calculate the mass of Na₂CrO₄.

Molar mass of Na₂CrO₄ = 23×2 + 52 + 16×4 = 162 g/mol

Mass of Na₂CrO₄ = number of moles  ×  molar mass

Mass of Na₂CrO₄ =  0.0355 mol ×  162 g/mol

Mass of Na₂CrO₄ =  5.75 g

3 0
3 years ago
The difference between a person’s on-land mass and underwater mass is called:
SashulF [63]
If i’m correct it’s b, bouyance force.
8 0
4 years ago
Which of the following acids will have the strongest conjugate base?HIHCNHNO3HClO4HCl
Andrej [43]

Answer:

HCN

Explanation:

Acids are the species which furnish hydrogen ions in the solution or is capable of forming bonds with electron pair species as they are electron deficient species.

When an acid donates a proton, it changes into a base which is known as its conjugate base.

Bases are the species which furnish hydroxide ions in the solution or is capable of forming bonds with electron deficient species as they are electron rich species. When a base accepts a proton, it changes into a acid which is known as its conjugate acid.

The acid and the base which is only differ by absence or presence of the proton are known as acid conjugate base pair.

Also, the strongest acid leads to the weakest conjugate base and vice versa.

Thus, Out of HI, HCN, HNO_3, HClO_4 and HCl , the weakest acid is:- HCN

<u>Thus, HCN corresponds to the strongest conjugate base. </u>

7 0
3 years ago
How many miles of N2 are in a flask with a volume of 250.0 mL at a pressure of 300.0 kPa and a temperature of 300.0 K?
Maslowich
As hot as my cooter lips



hope this helped :)
8 0
3 years ago
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