58 768
Assignments Done
Successfully Done
In March 2018
Your physics homework can be a real challenge, and the due date can be really close — feel free to use our assistance and get the desired result.
Be sure that math assignments completed by our experts will be error-free and done according to your instructions specified in the submitted order form.
Our experts will gladly share their knowledge and help you with programming homework. Keep up with the world’s newest programming trends.

Answer on Physical Chemistry Question for Maali Jamil

Question #33193
Hello, I'm self-studying for the Chemistry IGCSE. I don't have any chemical background and very limited options for tutors in this country, I'd greatly appreciate it if someone can check some questions.

Substance Melting Point / C Boiling Point? C Density / g cm - 3
A 1110 2606 9.1
B -266 -252 0.07
C 40 94 1.6
D -14 60 0.9

1. Which substance is a gas at room temperature? B
2. Which substance is a liquid at room temperature? D
3. Which substances are solids at room temperature? C, A
4. Which substance is most likely to be a metal? A
5. Which substance will be a liquid at -260 degrees Celsius? B
6. What is the melting point of the least dense non-metal? -266 degrees Celsius?
7. Which substance is a gas at 72 degrees Celsius? D
Expert's answer
All the answers are correct except the 7th.
Substance B boils at -252, so it'll be a gas at 72.
Thus, the answer for the 7th is B, D.

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!


No comments. Be first!

Leave a comment

Ask Your question