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Ilia_Sergeevich [38]
2 years ago
5

FREE PONITS COME GET YOUR PONITS!!!! :)

Chemistry
2 answers:
trasher [3.6K]2 years ago
7 0

Explanation:

Need points thanks.

Katen [24]2 years ago
3 0
Yay thnx:))))))))))))))))
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You add 8.5 g of iron to 27.90 mLof water and observe that the volume of iron and water together is 28.98 mL calculate the densi
Verdich [7]

Answer:  7.87 g/ml

Explanation:

(28.98 ml - 27.90ml) = 7.87 g/ml

3 0
2 years ago
Calculate the number of atoms in 0.316 mol of phosphorus
Nikitich [7]

Answer:

\large \boxed {7.61 \times 10^{23}\text{ atoms}}

Explanation:

1. Molecules of P₄

The molecular formula of phosphorus is P₄.

\text{Molecules of P}_{4} = \text{0.316 mol P}_{4} \, \times \dfrac{ 6.022  \times 10^{23}\text{ molecules P}_{4}}{\text{1 mol P}_{4}} = 1.90 \times 10^{23}\text{ molecules P}_{4}

2. Atoms of P

One molecule of phosphorus contains four P atoms.

\text{Atoms of P} = 1.90 \times 10^{23}\text{ molecules P}_{4} \times \dfrac{\text{4 atoms P}}{\text{1 molecule P}_{4}}\\\\= \large \boxed{\mathbf{7.61 \times 10^{23}}\textbf{ atoms P}}

5 0
2 years ago
what type of reaction mechanism is operative in the conversion of 2-methyl-2-butanol into 2-chloro-2-methylbutane?
UNO [17]

Answer:

Below

Explanation:

The reaction is a Substitution SN1 mechanism

8 0
2 years ago
How are plastic containers different from paper containers? How are they the same?
goldenfox [79]

Answer:

Paper is Not Reuseable like plastic.

Explanation:

7 0
3 years ago
A sample of nitrogen gas is collected over water at a temperature of 23.0 C. What is the pressure of the nitrogen gas if atmosph
Whitepunk [10]
We first consider the gases that will be present in that sample.
First, there will be nitrogen, as stated. Second, there will also be water in the form of water vapor. For this, we need the vapor pressure of water at 23.0 °C, which is about 21.0 mmHg. Now, the sum of the vapor pressures of the gases will be equivalent to the total pressure. So the pressure of nitrogen gas is:
785 - 21
= 764 mmHg
4 0
3 years ago
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