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
makkiz [27]
3 years ago
6

A 1.50 g piece of substance 8.52g was rolled out into a thin sheet measuring 24.0cm × 30.0cm

Chemistry
1 answer:
polet [3.4K]3 years ago
5 0

Answer:

The volume of the sheet metal = 0.58 cm³

<em>Note: The question is incomplete. A similar complete question is given below:</em>

<em>a 7.50 g piece of metal was rolled into a thin sheet measuring 24.0 cm × 30.0 cm</em>

<em>the density of the metal is 12.86 g/cm</em>

<em>calculate the volume of the sheet of metal</em>

Explanation:

The mass of a substance is the quantity of matter present in that substance

The volume of a substance is amount of space the substance occupies

Density of a substance is the ratio of its mass and the volume it occupies. It is a measure of how compact a body is.

From definition above;

Density = mass/volume

Therefore, volume = mass/density

mass of thin sheet = 7.50 g

density = 12.86 g/cm³

Volume = 7.50 g / 12.86 gcm⁻³

Volume = 0.58 cm³

Therefore, the volume of the sheet metal = 0.58 cm³

You might be interested in
You have just isolated a new radioactive element. If you can determine its half-life, you will win the Nobel Prize in physics. Y
lbvjy [14]

Answer: 2.58 days

Explanation:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  = ?

t = age of sample  = 6 days

a = initial amount of the reactant  =  1 g

a - x = amount left after decay process   = 0.2 g

a) to find the rate constant

6=\frac{2.303}{k}\log\frac{1.0}{0.2}

k=\frac{2.303}{6}\log\frac{1.0}{0.2}

k=0.268days^{-1}

b) for completion of half life:  

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

t_{\frac{1}{2}}=\frac{0.693}{k}

t_{\frac{1}{2}}=\frac{0.693}{0.268}=2.58days

The half life is 2.58 days

3 0
3 years ago
How many electrons would an uncharged atom of nitrogen have
dybincka [34]
The atomic number represents the number of protons in an atom's nucleus. In an uncharged atom, the number of protons is always equal to the number of electrons. For example, carbon atoms include six protons and six electrons, so carbon's atomic number is 6.
3 0
3 years ago
Volume increases, pressure stays the same, temperature
Mila [183]
Temperature decreases (?)
4 0
3 years ago
At 580 k, 6. 42% of the molecules are in the chair form. calculate the value of the equilibrium constant for the reaction as wri
Ann [662]
Equilibrium chemical reaction between chair and boat forms is:
Kc = \frac{[Boat form]}{[Chair form]}
Suppose the total number of molecules is x 
Number of molecules of chair form is 6.42/100 x
Number of molecules of boat form is 93.58/100 x
Kc = \frac{(0.9358x)}{(0.0642x)} = 14.6
5 0
3 years ago
A nickle is about 2 millimeters thick, or 2/1000 of a meter.how many nanometers is this?
Softa [21]
You know that you can just google it right? It has this converter.
8 0
3 years ago
Other questions:
  • It takes 5.2 minutes for a 4.0 g sample of francium-210 to decay until only 1.0 g is left. What is the half-life of francium-210
    10·2 answers
  • How many moles of O2 should be supplied to burn 1.82 mol of C3H8 (propane) molecules In a camping stove?
    6·1 answer
  • At 25 °c, what is the hydroxide ion concentration, [oh–], in an aqueous solution with a hydrogen ion concentration of [h ] = 3.0
    7·1 answer
  • How much ammonium chloride is needed to saturate 100 grams of water at 60 degrees Celsius​
    6·1 answer
  • What is the density of an object with a mass of 145.8g and an volume of 91.75 mL?
    9·1 answer
  • The concentration of hydroxide ions is greater than the concentration of hydronium ions for acidic solutions. true or false
    11·1 answer
  • Reproductive health is important to take precaution against sit and unplanned Pregnancy​
    14·1 answer
  • What is the mass, in grams, of 50.0L of N2 at STP?
    12·1 answer
  • Where do plants get their energy?
    6·1 answer
  • An electron initially in a 4p state decays to a lower energy state. which energy state is forbidden?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!