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
PtichkaEL [24]
3 years ago
6

What type of substance is gravel

Chemistry
1 answer:
allsm [11]3 years ago
3 0

Answer:

When substances do not mix thoroughly and evenly (like sand and gravel), the mixture is said to be heterogeneous. A heterogeneous mixture consists of visibly different substances. Another example of a mixture is salt dissolved in water.

Hope it helps!

You might be interested in
At Stp, which physical property of aluminum always remains the same from sample to sample?
Elenna [48]

Density-  The proportion of mass to volume of an object.

<span>Density determines what floats and what sinks.  More dense sinks less dense will float.</span>

7 0
3 years ago
Read 2 more answers
If 16.9 kg of Al2O3(s), 57.4 kg of NaOH(l), and 57.4 kg of HF(g) react completely, how many kilograms of cryolite will be produc
hodyreva [135]

Answer: 69.72 kg of cryolite will be produced.

Explanation:

The balanced chemical equation is:

Al_2O_3(s)+6NaOH(l)+12HF(g)\rightarrow 2Na_3AlF_6+9H_2O

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

moles of Al_2O_3 = \frac{16.9\times 1000g}{102g/mol}=165.7moles

moles of NaOH = \frac{57.4\times 1000g}{40g/mol}=1435moles

moles of HF = \frac{57.4\times 1000g}{20g/mol}=2870moles

As 1 mole of Al_2O_3 reacts with 6 moles of NaOH

166 moles of  Al_2O_3 reacts with = \frac{6}{1}\times 166=996 moles of NaOH

As 1 mole of Al_2O_3 reacts with 12 moles of HF

166 moles of  Al_2O_3 reacts with = \frac{12}{1}\times 166=1992 moles of HF

Thus Al_2O_3 is the limiting reagent.

As 1 mole of Al_2O_3 produces = 2 moles of cryolite

166 moles of  Al_2O_3 reacts with = \frac{2}{1}\times 166=332 moles of cryolite

Mass of cryolite (Na_3AlF_6) = moles\times {\text {molar mass}}=332mol\times 210g/mol=69720g=69.72kg

Thus 69.72 kg of cryolite will be produced.

8 0
3 years ago
5. A grouping of organisms based on shared characteristics is called
lidiya [134]
Classification ,
correct me if i’m wrong
8 0
3 years ago
Read 2 more answers
What multiplicity would you expect in a 1h nmr spectrum for the indicated proton(s)? (1 pts)
Vedmedyk [2.9K]

Triplet multiplicity would expect in a 1h NMR spectrum for the indicated proton(s).

The spectrum is the invisible radio frequencies that radio signals pass through. These signals let you make phone calls from your mobile device, tag your friends on  call an Uber, and get directions to your destination, all from your mobile device.

Spectrum management is the art and science of managing the use of the radio spectrum to minimize interference and ensure that the radio spectrum is used in the most efficient manner possible for the public good. For USDOT, this focuses on supporting safe, efficient, and economical transportation. Spectrum Networks is a suite of news and sports networks owned and operated by Charter Communications, Inc.

Learn more about  spectrum  here

brainly.com/question/4901067

#SPJ4

8 0
1 year ago
Why are the testicles outside the body instead of inside?
larisa86 [58]

they are outside the body, because they need to be cooler than the temperature inside the body so sperm can be made. hope this helped you <3

7 0
3 years ago
Other questions:
  • Explain why oxygen has a higher ionization energy than phosphorus
    9·1 answer
  • In the reaction MgCl2 + 2KOH → Mg(OH)2 + 2KCI, how many grams of KOH
    5·1 answer
  • 1. How is the modern periodic table organized?
    11·1 answer
  • N2 + 6e → 2N-3
    10·1 answer
  • Your town is having a meeting about whether or not to allow residents to build solar panels on their houses. Many people are aga
    6·1 answer
  • 3. Bacteria communicate with each other through electronic pulses.<br> O True<br> O False
    14·2 answers
  • Different between intermolecular and intra molecular dehydration​
    15·1 answer
  • Examination reveals that 180.2 g/mol of glucose contains 72.1 grams of carbon, 96 g/mol of oxygen and the remainder is hydrogen.
    11·1 answer
  • What is a single layer of graphite called<br> Asking for GCSE Chemistry
    7·1 answer
  • The figure below shows a walkway with a handrail. Angle is the angle between the walkway and the horizontal, while angle is the
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!