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tester [92]
2 years ago
13

HELP!!!!!! I will give you 15 points for this , please don’t guess

Chemistry
1 answer:
Genrish500 [490]2 years ago
6 0

Answer:

Heterozygous refers to having inherited different forms of a particular gene from each parent.

Explanation:

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A quantity of 1.922 g of methanol (CH3OH) was burned in a constant-volume bomb calorimeter. Consequently, the temperature rose b
dezoksy [38]

Answer:

872.28 kJ/mol

Explanation:

The heat released is:

ΔH = C*ΔT

where ΔH is the heat of combustion, C is the heat capacity of the bomb plus water, and ΔT is the rise of temperature. Replacing with data:

ΔH =  9.47*5.72 = 54.1684kJ

A quantity of 1.922 g of methanol in moles are:

moles = mass / molar mass

moles = 1.992/32.04 = 0.0621 mol

Then the molar heat of combustion of methanol is:

ΔH/moles = 54.1684/0.0621 = 872.28 kJ/mol

5 0
3 years ago
NEED HELP ASAP NOT DIFFICULT
Burka [1]
Answer- 400 grams of AlCl3 is the maximum amount of AlCl3 produced during the experiment.

Given - Number of moles of Al(NO3)3 - 4 moles
Number of moles of NaCl - 9 moles
Find - Maximum amount of AlCl3 produced during the reaction.
Solution - The complete reaction is - Al(NO3)3 + 3NaCl --> 3NaNO3 + AlCl3
To find the maximum amount of AlCl3 produced during the reaction, we need to find the limiting reagent.
Mole ratio Al(NO3)3 - 4/1 - 4
Mole ratio NaCl - 9/3 - 3
Thus, NaCl is the limiting reagent in the reaction.
Now, 3 moles of NaCl produces 1 mole of AlCl3
9 moles of NaCl will produce - 1/3*9 - 3 moles.
Weight of AlCl3 - 3*133.34 - 400 grams
Thus, 400 grams of AlCl3 is the maximum amount of AlCl3 produced during the experiment.
5 0
2 years ago
Read 2 more answers
Which of the following is an example of the electrostatic force acting in a atom
kumpel [21]
Electrostatic forces work on anything that is charged. 
<span>Usually only protons and electrons, but also some other elementary particles. 

</span>d. a proton attracting an electron
7 0
2 years ago
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A combustion reaction occurs between one molecule of methane (CH4) and two molecules of oxygen (O,)
faltersainse [42]

Answer:

D

Explanation:

Because I carbon atom and 1 hydrogen atom plus 2

Oxygen atoms are needed

8 0
2 years ago
The Groups 1 and 2 on the periodic table contain what atom type?
Gemiola [76]
Metals is the right answer.
5 0
3 years ago
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