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masha68 [24]
3 years ago
8

Mr. Jones's prescription calls for 1.04 tablets per day. Based on this information, how many tablets should Mr. Jones take per d

ay? a) 1.25 O b) 1.5 c) 1 O d) 2
Chemistry
1 answer:
kotykmax [81]3 years ago
5 0

Answer:

c. 1 tablet

Explanation:

1.04 is rounded to 1 so 1 tablet a day is what he needs

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Organization of elements that was originally done by Mendeleev
Likurg_2 [28]

Mendeleevs Periodic Table

5 0
3 years ago
3) (4.5 x 10-14) x (5.2 x 103) = ?
Otrada [13]

Answer:

16603.6

or

1.66036 x 10^4

Hope this helps! ^_^

4 0
2 years ago
Read 2 more answers
How are elements symbols represented on the periodic table
oksano4ka [1.4K]

Hiya!!

Your answer is 118

Hope this helps!


5 0
3 years ago
Earth is approximately 1.5x10^8 km from the sun. The speed of light is 3.0x10^8. How many minutes does it take for light to reac
Masteriza [31]
1.5 x 10^{8} mm = 1500 x 10^{8} m

1500 x 10^{8} / ( 3.0 x 10^{8} ) = 500 s

500/60 = 8.3 

So approximately it takes 8.5 minutes 


Hope that helps, Good luck! (:<span />
3 0
3 years ago
How many moles of ammonia can be formed from 4.0 mol H2
Bess [88]

Answer: 1. 2.7 moles  of ammonia are formed

2. 12.0 moles  of hydrogen are required

3. 2.0 moles of nitrogen are required

Explanation:

The balanced chemical equation is:

N_2+3H_2\rightarrow 2NH_3

According to stoichiometry:

3 moles of hydrogen form = 2 moles of ammonia

Thus 4.0 moles of hydrogen form =\frac{2}{3}\times 4.0=2.7moles of ammonia

According to stoichiometry:

2 moles of ammonia are formed by = 3 moles of hydrogen

Thus 8.0 moles of ammonia are formed by  =\frac{3}{2}\times 8.0=12.0moles of hydrogen

According to stoichiometry:

3 moles of hydrogen react with = 1 mole of nitrogen

Thus 6.0 moles of hydrogen react with =\frac{1}{3}\times 6.0=2.0moles of nitrogen

3 0
2 years ago
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