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ioda
3 years ago
11

Which statements describe Rutherford’s model of the atom? Select all that apply.

Chemistry
1 answer:
andreyandreev [35.5K]3 years ago
8 0
The atom has a tiny and heavy nuclues as well-know gold foil.
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32 h this is because this problem
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3 years ago
The sum of all chemical reactions that occur in a cell is called:.
vodomira [7]

Answer:

Metabolism

Explanation:

The sum of the chemical reactions that take place within each cell of a living organism and that provide energy for vital processes and for synthesizing new organic material.

5 0
2 years ago
When a sample of a gas is heated in a sealed, rigid container from 200. K to 400. K, the pressure exerted by the gas is
Brilliant_brown [7]
\frac {p_1} {T_1} = \frac {p_2} {T_2} \\ p_1T_2 = p_2T_1 \\ p_1 \cdot 200 = p_2 \cdot 400 ||: 200 \\ p_1 = p_2 \cdot 2 ||: 2 \\ \frac{1}{2} p_1 = p_2<span>
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<u>(1) zmniejszyła się o czynnik 2. </u>
<span>(2) zwiększona o współczynnik 2. </span>
<span>(3) zmniejszona o współczynnik 200. </span>
<span>(4) zwiększona o współczynnik 200.</span>

<u />


5 0
3 years ago
how much gram of water is needed to dissolve 1.5mol sodium chloride Nacl, to prepare 2.5molality solution of Nacl​
stellarik [79]

Answer:

You can view more details on each measurement unit: molecular weight of NaCl or grams This compound is also known as Sodium Chloride. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles NaCl, or 58.44277 grams.

5 0
3 years ago
What is the mole ratio of D to A in the generic chemical reaction? 4A + B --&gt; C + D​
storchak [24]
<h3>Answer:</h3>

Mole ratio of D to A is 1 : 4

<h3>Explanation:</h3>

We are given the generic chemical equation;

4A + B → C + D​

We are supposed to determine the mole ratio of D to A

What is mole ratio?

  • Mole ratio is the ratio of the number of moles of reactants or products in a chemical reaction.
  • We determine the mole ratio using the coefficients of reactants or products in question.

For example;

  • In the equation, 4A + B → C + D​, the coefficient of A is 4 while the coefficient of D is 1.
  • This means, 4 moles of A reacts with 1 mole of b to produce 1 mole of C and 1 mole of D
  • Thus, mole ratio of D to A  is 1 : 4
6 0
3 years ago
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