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
valentinak56 [21]
3 years ago
11

The ratio of zinc to copper in some alloy is 2 to 5. If 60 kilograms of zinc are used, how many kilograms of copper are needed t

o make this alloy
Chemistry
1 answer:
NemiM [27]3 years ago
5 0

Answer:

The correct answer is 150 kilograms.

Explanation:

Based on the given information, the ratio of zinc and copper within the alloy is 2:5. The amount of zinc used in the alloy is 60 kg. Now the amount of copper used within the alloy would be,

Zinc/Copper = 2/5

60/Copper = 2/5

Copper(Cu) = 60*5/2

Cu = 150 Kilograms.

Thus, the amount of Cu used in the alloy is 150 Kg.

You might be interested in
How many molecules of nitrogen monoxide are in a 22.5 gram sample?
poizon [28]
Okay, so you need to start by finding the molar mass (grams in one mole) of nitrogen monoxide (NO).
N=14g
O=16g
So we know that NO has a molar mass of 30 grams, then just divide your given mass of 22.5 grams by the molar mass of 30 grams to find the number of molecules in your sample. The answer should be .75 molecules. Hope this helps!
3 0
3 years ago
What causes the surface ocean currents in the Northern Hemisphere to deflect to the right, and the currents in the Southern Hemi
AVprozaik [17]
The Coriolis force is an inertial force that acts on objects that are in motion relative to a rotation reference frame. This causes moving objects to the right ( with respect to the direction of travel ) in the Northern hemisphere and to the left in the Southern hemisphere. The horizontal deflection is zero at the equator. It also causes the surface ocean currents in the Northern hemisphere to deflect to the right and the currents in the Southern hemisphere to deflect to the left.
Answer: the Coriolis force.  
4 0
3 years ago
What is the highest occupied molecular orbital in the O2 molecule?
Aleonysh [2.5K]

H2 is known to exist. For dihydrogen, H2, we can identify the frontier molecular orbitals (FMOs). The highest occupied molecular orbital (or HOMO) is the σ (sigma) 1s MO. The lowest unoccupied MO (LUMO) is the σ* (sigma star) 1s MO which is antibonding.


3 0
3 years ago
What’s the difference between heterogeneous and homogeneous mixtures?
Ronch [10]

Answer:

Mixtures can be either homogeneous or heterogeneous. A mixture in which its constituents are distributed uniformly is called homogeneous mixture, such as salt in water. A mixture in which its constituents are not distributed uniformly is called heterogeneous mixture, such as sand in water.

5 0
3 years ago
Energy in Devices. An engineer needs to design a device that transforms light energy into sound energy. Describe a design for a
N76 [4]

Answer:

built a special cavity where the electromagnetic quantum states resonate with the natural vibrations of the atoms. In doing so, one cancouple a photon-based oscillator to a mechanical oscillator, controlling the mechanical quantum states with visible light. The result is a prototype of a quantum transducer, a device that converts light energy into mechanical energy (sound energy)

Explanation:

Sound energy is created by vibrating particles of medium that propagates as a wave. So in order to convert light (electromagnetic wave) to sound wave it has to be converted into electric or magnetic signals. Then these signals can be converted into sound waves.

However, if you consider the particle nature of light. It contains momentum and after collision sets the other particles into oscillatory motion but the wavelength of these vibrations is too high to be considered as sound waves.

4 0
4 years ago
Other questions:
  • Sentences with the words kinetic energy of matter and temperature
    11·1 answer
  • Janice is given a mixture of alcohol and water. The teacher tells her that she can use temperature to separate these compounds.
    13·2 answers
  • A sample of pure lithium carbonate contains 18.8% lithium by mass. what is the % lithium by mass in a sample of pure lithium car
    12·2 answers
  • Which of the following is made up of only one type of atom? 1) NO 2) He 3)CO 4)MgS
    8·1 answer
  • Which of the following is the best description of an oxidation process
    6·1 answer
  • (g) The mole fraction of O2 in atmospheric air is 0.21. Calculate the concentration of O2 in a sample of atmospheric air in a 10
    15·1 answer
  • Help :) plz :) ........
    12·2 answers
  • How many grams are in 0.35 moles of C2H6?​
    6·1 answer
  • CAN SOMEONE PLEASE HELP ME WITH THIS
    6·1 answer
  • Which event is an example of an endothermic reaction?.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!