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Pepsi [2]
3 years ago
8

Which of the following Lewis dot structure is wrong?

Chemistry
2 answers:
nikdorinn [45]3 years ago
7 0

Answer:

B

Explanation:

hes wrong because hes wrong

yKpoI14uk [10]3 years ago
4 0
B isn’t a Lewis dot structure
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How many moles of LiOH are needed to react completely with 25.5 g of CO2
LekaFEV [45]

Answer:

3.18 mol

Explanation:

2LiOH+CO_{2}-> Li_{2}CO_{3} +H_{2}O

n(CO2) = mass/ Mr.

             = 25.5 / 16

             = 1.59 mol

As per the equation above,

n(LiOH) : n(CO2)

     2      :    1

∴  3.18   :  1.59

     

3 0
2 years ago
A salt is made by adding an excess of an insoluble metal oxide to an acid.
Blizzard [7]

Answer:

Filtration

Explanation:

Filtration is used to separate solid substances from liquids or large molecules from small molecules. Since, Acid is a liquid and metal oxide is solid so Filtration can be used to separate these two.

3 0
2 years ago
PLEASE HELP i’ll mark brainliest ( reporting fake answers)
kherson [118]

Delta S reaction= Delta S products- Delta S reactants

don't forget to mulitiply by coefficients

also

here is a really slow way to do it

you know the moles of gas increased

so Delta S is positive

so its B or D

then just do the units digit to see which one match up

6 0
2 years ago
an unknown volume of gas has a pressure of 0.50 atm and temperature of 325k. if the pressure is raised to 1.2atm and the tempera
postnew [5]
117 L. You can start by making a table to organize the information you are given. Then, you can use the formula PV/T=PV/T and plug in the numbers you have. You then solve for the missing volume. Remember that the initial pressure, temperature, and volume should be on one side of the equal sign, and the final pressure, volume, and temperature should be on the other side.

6 0
3 years ago
The density of atmosphere (measured in kilograms/meter3) on a certain planet is found to decrease as altitude increases (as meas
Paha777 [63]
The density at 1,291 km from the surface of the planet is

              [ (1,291 - planet's radius)/(planet's radius) ] ^ some power .
7 0
3 years ago
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