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dalvyx [7]
4 years ago
12

I’m really bad at science and i need to know how to define it

Chemistry
1 answer:
postnew [5]4 years ago
5 0
It is a column of elements in the periodic table of the chemical elements.
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AKALI METALS ARE HIGLY_______ SINCE THEY ______ easily to form ions. HELP ASAP
kvv77 [185]

Answer:

Reactive and lose 1 electron

Explanation:

4 0
3 years ago
Air trapped in a cylinder fitted with a piston occupies 142.8 mL at 0.97 kPa pressure.
Setler [38]

Answer:

92.344mL

Explanation:

acording to boyle's law that PV=constant then P1V1=P2V2

5 0
3 years ago
How tungsten conducts electricity
Elis [28]

Answer:

Yes

Explanation:

The virtue that tungsten is metal it means that it does conduct electricity. Tungsten does conduct electricity currents quite well, such as when compared to iron and nickel. It is, however, not a good conductor as compared to other metals though it does get the job done.

8 0
3 years ago
Please help me with number 4 and 5 on my study guide
Shtirlitz [24]

Answer:

help with problem 4

Explanation:

4. protons are equal to atomic numbers. neutrons are atomic mass minus atomic number. electrons are equal to protons.

5. I don't know, sorry.

5 0
2 years ago
PLEASE HELP
otez555 [7]

Answer:

P2≈393.609Kpa so I think the answer is 394 kPa

Explanation:

PV=mRT Ideal Gas Law

m and R are constant because they dont change for the problem. That means

PV/T=mR = constant

so P1*V1/T1=P2*V2/T2 and note that the temperatures are in absolute temperatures (Kelvin) because you can't divide by zero.

So P2 = P1*V1*T2/(V2*T1) = 101325 Pa * 700 mL * 303K/(200 mL*273K)

P2 = 393609 Pa

5 0
3 years ago
Read 2 more answers
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