1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zhenek [66]
3 years ago
8

How to figure out which melting point would have the lowest melting point ?

Chemistry
2 answers:
77julia77 [94]3 years ago
8 0

Answer:

By evaluating the intermolecular forces and size!

Explanation:

Essentially the stronger the forces the higher the melting point... Here is a list of interemolecular forces (the first will be the weakest).

1) Dispersion forces (Exhibited by evrey molecule) (Weakest)

2) Dipole-Dipole

3) Hydrogen bonding

4) Ionic bonds (Strongest)

The stronger the forces it has then the higher the melting point. Also aromatic structures have a higher melting point as well. A general rule of thumb is, the larger the structure is then the higher thee melting point it.

stellarik [79]3 years ago
6 0

Answer:

That would be helium, with a melting point of 0.95 K (-272.20 °C)—although this happens only under considerable pressure (~25 atmospheres). At ordinary pressure, helium would remain liquid even if it could be chilled to absolute zero.

You might be interested in
What will happen If CH4 is added to the following reaction at equilibrium CH4 (g) + 2H2O (g) <------> 3H2 (g) + CO2 (g)
inysia [295]

Answer:

the answer is D  

:)

:D

Explanation:

6 0
3 years ago
A glucose solution is administered intravenously into the bloodstream at a constant rate r. As the glucose is added, it is conve
Helen [10]

Answer:

C(t)=\frac{r}{k}-(\frac{r-kC_o}{k})e^{-kt}

Explanation:

The differential equation is given as:

\frac{dC}{dt} = r- kC

\frac{dC}{r- kC} = dt

Taking integral of both sides; we have:

\int\limits  \frac{dC}{r- kC} = \int\limits dt

-\frac{1}{k} In(r-kC) = t+D\\In(r-kC)=-kt-kD

r-kC=e^{-kt-kD}

r-kC=e^{-kt}e^{-kD}

r-kC=Ae^{-kt}

kC=r-Ae^{-kt}

C=\frac{r}{k}-\frac{A}{k}e^{-kt}

C(t)=\frac{r}{k}-\frac{A}{k}e^{-kt}     ------- equation (1)

If C(0)= C_o ; we have:

C(0)= \frac{r}{k}-\frac{A}{k}e^0         (where; A is an integration constant)

C_o = \frac{r}{k}- \frac{A}{k}

C_o=\frac{r-A}{k}

kC_o=r-A

A=r-kC_o

Substituting A=r-kC_o into equation (1); we have;

C(t)=\frac{r}{k}-(\frac{r-kC_o}{k})e^{-kt}

3 0
3 years ago
What is a real life example of beta radiation?
Veseljchak [2.6K]

Answer:

your answer would be : examples such as Thallium-206, Lead-210, & Bismuth-214.

7 0
3 years ago
Find the force it would take to accelerate an 800-kg car at a rate of 5m/s2.
laila [671]
Force= mass•acceleration

Force=800•5

Force=4000 N
3 0
3 years ago
Read 2 more answers
A gas in a sealed container has an initial pressure of 125 kPa at 25.0∘C. If the pressure is increased to 150.0 kPa, what will t
Serjik [45]

Answer:

T'=30^{\circ} C

Explanation:

Initial pressure, P = 125 kPa

Initial temperature, T = 25.0°C

If new pressure is increased to P' = 150.0 kPa

We need to find new temperature. According to Gay-Lussac's law,

P ∝ T

or

\dfrac{P}{T}=\dfrac{P'}{T'}\\\\T'=\dfrac{P'T}{P}\\\\T'=\dfrac{150\times 25}{125}\\\\=30^{\circ} C

So, the new temperature will be 30^{\circ} C.

5 0
3 years ago
Other questions:
  • properties of elements within a ________ on the periodic table change in a predictable way from one side of the table to the oth
    13·1 answer
  • The diagram below shows part of the rock cycle.
    15·2 answers
  • Please help :))
    12·1 answer
  • Hi!! can somebody help me with this question?
    12·1 answer
  • What is Mg(HSO3)2????
    15·2 answers
  • PLEASEEEE HELPPPPP!!
    15·1 answer
  • If you have one mole of a gas at 3.00 atm in a 3.0 L container what is the temperature of the gas?
    15·1 answer
  • What are the chemical reactions involved in CO2 emission?
    14·1 answer
  • How many grams of sodium are needed to<br> produce 1.67 moles of Na?
    14·1 answer
  • Which statement is true of both nuclear fusion and nuclear fission?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!