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
garik1379 [7]
3 years ago
12

These cooked noodles were separated from the water they were cooked in. By which physical property were they separated? A. size

B. density C. magnetism D. boiling point
Chemistry
1 answer:
Papessa [141]3 years ago
4 0

Answer:

B. Density

Explanation:

Density is the only property of liquid in the option that is feasible.

Water has no form of magnetism as it’s not a magnetic substance.

Water carries the size of the container it is put into and has no definite shape.

Water’s boiling point can only be gotten when it’s heated and it’s known to be mostly 100 degree celsius when pure and may be more or less depending on the level of impurities.

However Density is the mass per volume of water and can be calculated before the noodle is cooked which is more effective in its differentiation.

You might be interested in
A student has a 2.19 L bottle that contains a mixture of O 2 , N 2 , and CO 2 with a total pressure of 5.57 bar at 298 K . She k
Sergeeva-Olga [200]

<u>Answer:</u> The partial pressure of oxygen gas is 2.76 bar

<u>Explanation:</u>

To calculate the number of moles, we use the equation given by ideal gas which follows:

PV=nRT

where,

P = pressure of the gas = 5.57 bar

V = Volume of the gas = 2.19 L

T = Temperature of the gas = 298 K

R = Gas constant = 0.0831\text{ L bar }mol^{-1}K^{-1}

n = Total number of moles = ?

Putting values in above equation, we get:

5.57bar\times 2.19L=n\times 0.0831\text{ L. bar }mol^{-1}K^{-1}\times 298K\\\\n=\frac{5.57\times 2.19}{0.0831\times 298}=0.493mol

To calculate the mole fraction of carbon dioxide, we use the equation given by Raoult's law, which is:

p_{A}=p_T\times \chi_{A}         ........(1)

where,

p_A = partial pressure of carbon dioxide = 0.318 bar

p_T = total pressure = 5.57 bar

\chi_A = mole fraction of carbon dioxide = ?

Putting values in above equation, we get:

0.318bar=5.57bar\times \chi_{CO_2}\\\\\chi_{CO_2}=\frac{0.381}{5.57}=0.0571

  • Mole fraction of a substance is given by:

\chi_A=\frac{n_A}{n_A+n_B}

We are given:

Moles of nitrogen gas = 0.221 moles

Mole fraction of nitrogen gas, \chi_{N_2}=\frac{0.221}{0.493}=0.448

Calculating the partial pressure of oxygen gas by using equation 1, we get:

Mole fraction of oxygen gas = (1 - 0.0571 - 0.448) = 0.4949

Total pressure of the system = 5.57 bar

Putting values in equation 1, we get:

p_{O_2}=5.57bar\times 0.4949\\\\p_{O_2}=2.76bar

Hence, the partial pressure of oxygen gas is 2.76 bar

6 0
3 years ago
What are three ways we can measure sustainability while evaluating whether to buy a product?
jek_recluse [69]

Answer:

Environmental, Economic, and Societal Impacts

Explanation:

If the product is popular it'll be on social media...

If it helps you in some way it is useful, and probably needed

3 0
3 years ago
Read 2 more answers
Please help ASAP pleas help right answer please
Otrada [13]
It is -2 because the charge will be at zero and electrons lower the charge
5 0
3 years ago
What is the balanced form of the chemical equation shown below?
Aleks04 [339]

Answer:

C

Explanation:

2 N on left so we put a 2 on the right which makes 6 H so we need 6H on the left to do that we add a coef. of 3 to make 6 H and balance the equation

5 0
2 years ago
One mechanism for the destruction of ozone in the upper atmosphere is
UNO [17]

Answer:

When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules.

Explanation:

6 0
2 years ago
Other questions:
  • Which element at stp is a liquid that conducts electricity well?
    15·1 answer
  • A chemical reaction was used to separate a sample into its components. What conclusion about the sample can be formed based on t
    15·2 answers
  • This chart shows the experimental design of four students who are all observing what kind of bird seed birds tend to eat
    6·1 answer
  • Which of the following will have the slowest rate of diffusion at a given temperature?
    10·1 answer
  • Where do subduction zones occur
    6·1 answer
  • 6. The substance whose Lewis structure shows triple covalent bonds is
    7·1 answer
  • How many atoms are there in 5K2CO3
    6·1 answer
  • (GIVING BRAINLIEST)Which of the compounds below is an ionic salt?
    9·1 answer
  • Explain the greenhouse gas effect
    6·1 answer
  • What happens if you apply pressure on the oobleck?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!