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3 years ago

Which of the following is a constant for 1 mole of any ideal gas

2 answers:

5 0

What are the options? but the constants I know for sure are 22.4L the molar mass of an ion . I just need to know the options

Ray Of Light [21]3 years ago

3 0

PV/T would be the answer to this question

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12.5 g of copper are reacted with an excess of chlorine gas, and 25.4 g of copper(II) chloride are

Alika [10]

Answer:

Percent yield = 94.5%

Theoretical yield = 26.89 g

Explanation:

Given data:

Mass of copper = 12.5 g

Mass of copper chloride produced = 25.4 g

Theoretical yield = ?

Percent yield = ?

Solution:

Cu + Cl₂ → CuCl₂

Number of moles of Copper:

Number of moles = mass/ molar mass

Number of moles = 12.5 g/ 63.55 g/mol

Number of moles = 0.2 mol

Now we will compare the moles of copper with copper chloride.

Cu : CuCl₂

1 : 1

0.2 : 0.2

Theoretical yield:

Mass of copper chloride:

Mass = Number of moles × molar mass

Mass = 0.2 mol × 134.45 g/mol

Mass = 26.89 g

Percent yield:

Percent yield = Actual yield / theoretical yield × 100

Percent yield = 25.4 g/26.89 g × 100

Percent yield = 94.5%

8 0

4 years ago

True or False: The ocean is an example of a carbon reservoir (carbon sink). True False

maw [93]

Answer:

A TRUEEEEEEEE

Explanation:

3 0

3 years ago

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4. Which of the following elements does NOT belong to

marusya05 [52]

========== tellurium Te

7 0

3 years ago

When a reaction occurs between atoms with ground state electron configuration 1s2 2s1 and 1s2 2s2 2p5 the predominant type of bo

fenix001 [56]

Answer: The bond formed between the elements will be ionic bond.

Explanation: We are given two elements having electronic configurations:

Element 1: $1s^22s^1$

Element 2: $1s^22s^22p^5$

Element 1 can easily loose 1 electron to attain stable electronic configuration and Element 2 can accept 1 electron to attain stable electronic configuration.

For these elements, there will be a complete transfer of electron from Element 1 to Element 2. Hence, this will form a ionic bond.

From the configuration, Element 1 is Lithium and Element 2 is Fluoride. So, the compound is LiF.

5 0

3 years ago

Which do all cells need in order to function? oxygen water carbon dioxide offspring

Alex777 [14]

All cells need oxygen in order to function

6 0

4 years ago

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