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
yarga [219]
2 years ago
8

If an unknow metal has the mass of 40g and volume of 75ml, what is the density of the metal?

Chemistry
1 answer:
Snowcat [4.5K]2 years ago
6 0

Answer:

d = 0.53 g/mL

Explanation:

Given that,

Mass of an unknown metal = 40 g

The volume of the metal = 75 mL

We need to find the density of the metal. We know that,

Density = mass/ volume

d=\dfrac{40\ g}{75\ mL}\\\\d=0.53\ g/mL

So, the density of the metal is 0.53 g/mL.

You might be interested in
In a science experiment, Javi concludes that a chemical reaction has occurred. What evidence would support this conclusion?
Naily [24]

Answer:

B) a substance's color and odor changed        Explanation: A signal that a chemical change has occurred is when its odor (its smell) or its appearance has changed.

8 0
2 years ago
Read 2 more answers
Identify the balanced chemical equation that represents a single displacement reaction.
UNO [17]

3H₂SO₄ + 2Al₂(SO₄)₃  → Al₂(SO₄)₃ + 3H₂ is the balanced chemical equation that represents a single displacement reaction.

<h3>What is a balanced chemical equation?</h3>

The equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as a balanced chemical equation.

3H₂SO₄ + 2Al₂(SO₄)₃  → Al₂(SO₄)₃ + 3H₂

In this type of reaction, one substance is replacing another:

A + BC  →  AC + B

In a single displacement reaction, atoms replace one another based on the activity series. Elements that are higher in the activity series. Also, if the element that is to replace the other in a compound is more reactive the reaction will occur. If it is less reactive, there will be no reation.

In the first equation, fluorine is more reactive than bromine. Therefore, bromine cannot replace bromine.

In the second equation, the displacement is between hydrogen and aluminium. Hydrogen is lower in the activity series, this implies that aluminium will replace it.

Hence, 3H₂SO₄ + 2Al₂(SO₄)₃  → Al₂(SO₄)₃ + 3H₂ is the balanced chemical equation that represents a single displacement reaction.

Learn more about the displacement reaction here:

brainly.com/question/15052184

#SPJ1

8 0
2 years ago
A chemistry student needs of isopropenylbenzene for an experiment. He has available of a w/w solution of isopropenylbenzene in a
Lera25 [3.4K]

Question:

A chemistry student needs of 10 g isopropenylbenzene for an experiment. He has available 120 g of a 42.7% w/w solution of isopropenylbenzene in acetone. Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button.

Answer:

The answer to the question is as follows

The mass of solution the student should use is 23.42 g.

Explanation:

To solve the question we note the following

A solution containing 42.7 % w/w of isopropenylbenzene in acetone  has 42.7 g of isopropenylbenzene in 100 grams of the solution

Therefore we have 10 g of isopropenylbenzene contained in

100 g * 10 g/ 42.7 g = 23.42 g of solution

Available solution = 120 g

Therefore the quantity to used from the available solution = 23.42 g of the isopropenylbenzene in acetone solution.

8 0
3 years ago
Muscles work in _____ so when other muscles contract the other ___
abruzzese [7]
The first word could be: pairs and the second: relax
8 0
3 years ago
If you need some points and are good at science help!
bonufazy [111]

Answer:

region 2 and region 3

Explanation:

you can tell by the color of the land my friends^^

6 0
3 years ago
Read 2 more answers
Other questions:
  • If the ksp of CoCl2 is 1.5x10^-5 calculate the molar solubility
    9·1 answer
  • How many grams of lithium hypochlorite are there in 1.35 mol?
    7·1 answer
  • How many grams of a stock solution that is 87.5 percent H2SO4 by mass would be needed to make 275 grams of a 55.0 percent by mas
    10·1 answer
  • Because of this difference in entropy change, the net entropy change of the entire system is ________ during a real isothermal e
    5·1 answer
  • What is the main purpose of a leaf
    14·2 answers
  • Explain the difference between a front and an air mass.
    7·1 answer
  • I need help on these questions on separating ions in solution. The questions are in the photo.
    10·1 answer
  • The average kinetic energy of particles of matter id called?
    5·2 answers
  • What can you infer about the growth of the seed type pictured in the graphs below? ( Note, the vertical axis represents the numb
    5·1 answer
  • Maya has an attached earlobe. What is responsible for Maya’s ear shape?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!