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yawa3891 [41]
3 years ago
15

The strongest forces of attraction occur between molecules of(1) HCl (3) HBr(2) HF (4) HI

Chemistry
1 answer:
Alexxandr [17]3 years ago
4 0
It would likely be HF. It displays hydrogen bonding. 
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I’m struggling with dimensional analysis in chemistry! Will someone please help me with .74 Kcal/min to cal/sec ? Explain and gi
valina [46]

Answer:

            12.33 cal/sec

Explanation:

As we know,

                          1 Kcal  =  1000 cal

So,

                     0.74 Kcal  =  X cal

Solving for X,

                      X =  (0.74 Kcal × 1000 cal) ÷ 1 Kcal

                      X =  740 cal

Also we know that,

                      1 Minute  =  60 Seconds

Therefore, in order to derive cal/sec unit replace 0.74 Kcal by 740 cal and 1 min by 60 sec in given unit as,

                                       = 740 cal / 60 sec

                                       = 12.33 cal/sec

3 0
3 years ago
Help!?
wolverine [178]
I think to measure the age of the rock 
6 0
3 years ago
The half life of potassium 40 is approximately 1.25 billion years. An igneous rock is found to contain about 1/4 of its original
vodomira [7]

Answer:

2.5 billion years

Explanation:

4 0
2 years ago
How can scientists determine what kind of atoms are in stars and nebulas?
statuscvo [17]
Each element absorbs light at specific wavelengths unique to that atom. When astronomers look at an object's spectrum, they can determine its composition based on these wavelengths.
Not sure if this is 100% but I hope it helps.
4 0
2 years ago
Balance the following equation. Choose "blank" if no coefficient other than 1 is needed.
Ann [662]

Explanation:

Pb+2 AgNO3=Pb(NO3)2+2Ag

8 0
2 years ago
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