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
stiv31 [10]
3 years ago
7

Are we likely to run out of gold in the near future ?

Chemistry
1 answer:
sweet [91]3 years ago
5 0
Earth isn’t likely going to be running out of gold for around 50-100 years
You might be interested in
A steel tank contains carbon dioxide at a pressure of 13.0 atm when the temperature is 34oC. What will be the internal gas press
morpeh [17]

Answer:

D. 15.8atm

Explanation:

Given parameters:

Initial pressure = 13atm

Initial temperature  = 34°C = 34 + 273  = 307K

Final temperature  = 100°C = 100 + 273  = 373K

Unknown:

Final pressure  = ?

Solution:

To solve this problem, we apply a derivation of the combined gas law taking the volume as a constant.

The expression is shown mathematically below;

        \frac{P_{1} }{T_{1} }   = \frac{P_{2} }{T_{2} }

P and T pressure and temperature values

1 and 2 are initial and final states

 Insert the parameters and solve for T₂;

    \frac{13}{307}   = \frac{P_{2} }{373}  

        P₂  = 15.8atm

4 0
3 years ago
For test 6 (150 hevy 50 light particles), what is the pressure contribution from the heavy particles?
lawyer [7]

Answer:

The pressure contribution from the heavy particles is 17.5 atm

Explanation:

According to Dalton's law of partial pressures, if there is a mixture of gases which do not react chemically together, then the total pressure exerted by the mixture is the sum of the partial pressures of the individual gases that make up the mixture.

In the simulation:

the pressure of the 50 light particles alone was determined to be 5.9 atm, the pressure of the 150 heavy particles alone was measured to be 17.5 atm,

the total pressure of the mixture of 150 heavy and 50 light particles was measured to be 23.4 atm

Total pressure = partial pressure of Heavy particles + partial pressure of light particles

23.4 atm = partial pressure of Heavy particles + 5.9 atm

Partial pressure of Heavy particles = (23.4 - 5.9) atm

Partial pressure of Heavy particles = 17.5 atm

Therefore, the pressure contribution from the heavy particles is 17.5 atm

4 0
3 years ago
if an object 18 millimeters high is placed 12 millimeters from a diverging lens and the image is formed 4 mm in front of the len
Natasha2012 [34]
I think the answer is 7mm but I'm not sure.

Have a great day!
5 0
3 years ago
Read 2 more answers
Copper(ii) chloride reacts with sodium nitrate to produce copper(ii) nitrate and sodium chloride.
zlopas [31]

Answer:

CuCl2 + 2NaNO3 - > Cu(NO3)2 + 2NaCl

5 0
2 years ago
Give an example of two other body systems that work together and explain how they support each other.
gulaghasi [49]

Answer:

2 examples are cardiovascular and respiratory systems.

7 0
3 years ago
Other questions:
  • Lists how many valence electrons are shared, gained, or lost by each atom of the 6 compounds?      
    15·1 answer
  • What’s the relationship between homozygous and pure?
    10·1 answer
  • Create: Click Reset. Use the Gizmo to create a path in which the carbon atom goes from the atmosphere to the hydrosphere, biosph
    8·1 answer
  • In an oven, 7000 kg of limestone are heated to over 900ºC to give lime and carbon dioxide. Assuming all calcium carbonate reacts
    8·1 answer
  • Please complete sentence. The substances that make up a ____________ are not bonded together, so adding more of one substance in
    12·1 answer
  • For question #12, use the following picture:<br><br> 12. What element is this? How do you know?
    9·2 answers
  • Atomic number, Mass Number, Number,<br> of neutrons, Number of Electrons, of 22Na+1​
    5·1 answer
  • Why do elements in the same group have a similar reactivity?
    9·1 answer
  • The plant on the left is growing more because it has been receiving more water.
    5·1 answer
  • I need helppppp!!!!!!!
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!