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
Lesechka [4]
3 years ago
14

A student has two solid blocks that have different masses. The student knows that each block is composed of a pure substance, bu

t she wants to know if the blocks are composed of the same pure substance. Which of these would best show that the blocks are composed of different substances?
A.
Both blocks can be scratched by a piece of glass.
B.
One block has a greater volume than the other block.
C.
Both blocks sink when placed in water.
D.
One block conducts electricity and the other does not.
Chemistry
2 answers:
solniwko [45]3 years ago
8 0
À because they getting block for water not getting in
Kaylis [27]3 years ago
4 0

Answer:

The answer is maybe B hope it helps

You might be interested in
What is the energy in joules of a single photon of light with a wavelength of 1 m
Oksanka [162]

Answer:

Explanation:E=hc¯ν=hcλ [Where h = Planck's constant, c = velocity of electromagnetic radiation(light) and lambda = wavelength.] So, just substitute every needed value. =1.29077⋅10−18 Joules

7 0
3 years ago
Why does heating increase the speed at which a solute dissolves in water?
aivan3 [116]
For many solids dissolved in liquid water, the solubilityincreases with temperature. Theincrease in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.
8 0
3 years ago
I need help with #129 please
Veronika [31]
The yield is 73%. If there is anything that isn’t clear, just send me a message.

8 0
4 years ago
The table lists the chemical formulas or symbols of a few common substances. Which two substances are compounds? A) aluminum and
katrin [286]
D is the correct answer

every other option contains an element
7 0
3 years ago
Read 2 more answers
Is this an aromatic hydrocarbon? Why or why not?
swat32
The correct answer is D

3 0
3 years ago
Read 2 more answers
Other questions:
  • a compound is found to contain 31.1% sulfur and 68.9% chlorine determine the empirical formula for the sulfur and chlorine sampl
    9·1 answer
  • What is the meaning of blood?
    5·1 answer
  • What mass of propane (C3H8) is needed to produce 346 g carbon dioxide in the following reaction? A. 346 g C3H8 B. 1.86 g C3H8 C.
    10·2 answers
  • If a rock sample has a mass of 2.7g and a volume of 1.1cm^3 what type of rock is it
    11·2 answers
  • What is the wingspan of a 3 year old
    15·1 answer
  • In the laboratory you dissolve 12.3 g of chromium(ii) sulfate in a volumetric flask and add water to a total volume of 375. ml.
    12·1 answer
  • In the reaction between Li and O, there is a transfer of electrons making an ionic bond. In the bond, lithium would be a (n) bec
    10·1 answer
  • People should be more concerned about the global water budget than the local water budget.
    9·1 answer
  • What is a homogenous mixtures
    6·2 answers
  • What does an electromagnetic spectrum refer to?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!