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
kumpel [21]
2 years ago
15

A student was given a pale blue transparent liquid in a beaker. The student gently heated the solution until the liquid had vapo

rized. Some blue crystals remained on the bottom of the beaker, why.
Chemistry
1 answer:
Vikki [24]2 years ago
3 0
This is so as the liquid you are heating is copper (II) sulfate (I think so) so when you heat it to saturation, there will still be some water molecules left behind, which will allow copper (II) sulfate crystals to be formed since there is water of crystallisation. so the formula is (CuSO4.5H2O).

Hence, if you heat it for a longer period of time when all the water has evaporated, you will obtain a white powder (CuSO4) as crystals cannot form without water of crystallisation
You might be interested in
What are isoelectronic and isostructural species?
alexgriva [62]
Isoelectronic species are ions or elements that have equal number of electrons. From the root word, electron of the word isoelectronic. On the other hand, isotructural species are compounds with the same structures.Hope this answers the question. 
8 0
3 years ago
The total volume in milliliters of a glucose-water solution is given by the equation below: V = 1001.93 + 111.5282m + 0.64698m^2
vagabundo [1.1K]

Answer:

a. Vₐ = 111.5282 + 1.29396m

b. For m = 0.100m; Vₐ = 111.6576

Explanation:

The partial molar volume of compound A in a mixture of A and B is defined as :

V_a = \frac{dV}{dn_a}

Where V is volume and n are moles of a.

a. As molality is proportional to moles of substance, partial molar volume of glucose can be defined as:

Vₐ =  dV / dm =  d(1001.93 + 111.5282m + 0.64698m²) / dm

<em>Vₐ = 111.5282 + 1.29396m</em>

b. Replacing for m = 0.100m:

Vₐ = 111.5282 + 1.29396×0.100

<em>Vₐ = 111.6576</em>

<em></em>

I hope it helps!

3 0
3 years ago
Write the balanced chemical equation for the reaction
kykrilka [37]

Answer:

  1. 2C +O2 - CO

Explanation:

mark me brainliest

6 0
2 years ago
Which gas occupies the highest volume at STP?
Vedmedyk [2.9K]

The gas, 2 mol of H2, occupies the highest volume at STP since at STP the volume of this gas is approximately 44.8 mol as compared to other options this has the greatest amount.

7 0
3 years ago
Read 2 more answers
What is the mass % of acetonitrile in a 2.17 M solution of acetonitrile (MM = 41.05 g/mol) in water? The density of the solution
jonny [76]

why how what what what

5 0
2 years ago
Other questions:
  • If a weak acid is 25% deprotonated at ph 4, what is the pka?if a weak acid is 25% deprotonated at ph 4, what is the pka?
    11·2 answers
  • In a laboratory experiment, john uses a message to seperate soil particles from water . Which technique separation which techniq
    11·1 answer
  • Carbon dioxide contains bonds between oxygen and carbon. What particles are between the carbon and oxygen atoms ? What keeps tho
    11·1 answer
  • When aluminum (Al) reacts with chlorine gas (Cl2), aluminum chloride (AlCl3) is produced according to the balanced equation belo
    12·2 answers
  • How many grams of cs in a sample of cs that contains the same number of moles as a 109 gram sample of sn
    11·1 answer
  • Oops accidentally wrote a question i dont need answered
    10·2 answers
  • How would you solve this?
    12·1 answer
  • How to calculate the density of a substance
    13·2 answers
  • Help on this question please
    6·2 answers
  • How many moles is 8.35x 10^25
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!