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
Nat2105 [25]
2 years ago
12

A student has a large number of coins of different diameters, all made by the same metal. She wishes to find the density of the

metal by a method of placing the coins in the water.
a. Describe how the measurements of the required quantities are carried out.
b. State ONE precaution taken when carrying out the measurements in A to ensure that the results are accurate as possible.
Chemistry
1 answer:
Elenna [48]2 years ago
6 0

Answer:

A. In a graduated cylinder, put some quantity of water and measure the initial volume. Then put a coin and measure the volume. To find the volume of the coin, simply subtract the initial volume (water only) from the ending volume (water + coin). To measure the mass, take a dry coin and place it on an electronic scale. Density = mass / volume, so divide the mass by the volume to calculate the density of the coin.

B. When measuring the volume, make sure to look at the graduated cylinder at eye level and read from the bottom of the meniscus.

You might be interested in
What is a chemical change
navik [9.2K]
Isn't a chemical change like something that's not a physical change or physically changed but is something that uses natural chemicals? that's my guess sorry if it's wrong I think I'm wrong though
4 0
3 years ago
Read 2 more answers
(03.03 MC)
Jet001 [13]

Answer:

- Carbon shares four of its electrons, and each oxygen shares two of its electrons.

Explanation:

Carbon needs 4 electrons to reach a full outer shell while oxygen needs 2 to reach a full outer shell.

7 0
2 years ago
Select odd one out.<br> I) O<br> II) Na<br> III) Cu<br> IV) Ag
USPshnik [31]

Explanation:

0 is the odd one...............

and rest are metals and they lose electron and 0 gain electron and is non metal

4 0
3 years ago
Read 2 more answers
The atomic number is equal to
Yuri [45]
1. “what forms of energy conversions occur during the process of photosynthesis? (How does energy transform?) 2. What is missing from the food web but is essential to maintain equilibrium? A. Soil B.water C. Decomposers D. Oxygen
3 0
3 years ago
The octet rule states that all atoms would like to have 8 electrons in their last shell with no exceptions! true or false
Montano1993 [528]
True due to the fact that eight electrons are what applies directly to the octet rule
7 0
3 years ago
Other questions:
  • Which of the following describes a difference between galaxies and solar systems? A. Galaxies contain only moons, while solar sy
    13·2 answers
  • How many stereoisomers are obtained from the reaction of 3-methyl-2-butanone with each of the following organometallic reagents
    13·1 answer
  • Missing words please help me
    14·2 answers
  • Which of the following statements best compares the pH value of H3PO4 and HCl?
    6·1 answer
  • In order for oxygen gas, nitrogen gas, and carbon dioxide to have the same volume, they must have the same ______. (Check all an
    10·1 answer
  • Is kcal energy? Thanks!
    8·1 answer
  • Which of the following is not a cause of water pollution?
    15·1 answer
  • Wat two common uses for Gallium??
    5·2 answers
  • Which phrase describes runoff?
    5·2 answers
  • What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!