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artcher [175]
3 years ago
12

The formula for the ammonium ion

Chemistry
2 answers:
Sindrei [870]3 years ago
7 0
The formula for the ammonium ion is
NH4+ 

AnnZ [28]3 years ago
5 0
NH4+

hope this helped
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How many grams of water do you need to weigh if a reaction requires 5 moles of h2o
rewona [7]

One mole of water weighs 18 grams. H₂O is composed of 2H= 2 and 1 0=16 adding gives you 18. number of moles= mass/ Relative Molecular Mass

Therefore, mass= Relative Molecular Mass×number of moles

                           = 18×5 moles

                           = 90 grams

5 0
4 years ago
How many moles are in 25 grams of Cl2
Elden [556K]

Answer:

0.35

Explanation:

moles = mass/ molecular mass

Therefore,

moles= 25/(35.453 × 2)

8 0
3 years ago
Two models of the same compound are shown. A top line labeled Model A saying C subscript 2 H subscript 4 O subscript 2. A bottom
andreyandreev [35.5K]

Answer:

Model B shows the three-dimensional shape of the molecule, but Model A does not.

Explanation: e

8 0
4 years ago
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A 5.00-g sample of copper metal at 25.0 °C is heated by the addition of 133 J of energy. The final temperature of the copper is
vekshin1

<u>Answer:</u> The final temperature of the copper is 95°C.

<u>Explanation:</u>

To calculate the final temperature for the given amount of heat absorbed, we use the equation:

Q= m\times c\times \Delta T

Q = heat absorbed  = +133 J (heat is added to the system)

m = mass of copper = 5.00 g

c = specific heat capacity of copper = 0.38 J/g ° C      

\Delta T={\text{Change in temperature}}=T_2-T_1

T_1=25^oC

Putting values in above equation, we get:

+133J=5.00g\times 0.38J/g^oC\times (T_2-25)\\\\T_2=95^oC

Hence, the final temperature of the copper is 95°C.

3 0
3 years ago
What is the ratio of hydrogen atoms to oxygen atoms in a water molecule?
Viktor [21]
2 hydrogen molecules to one oxygen molecule
Remember by H2O since O doesn’t have a number after it you know there is only one oxygen molecule
6 0
3 years ago
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