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ycow [4]
3 years ago
14

In the reaction 2H, + O, → H,0, what coeficient should be placed in front of H,0 to balance the reaction?

Physics
1 answer:
Vilka [71]3 years ago
8 0
It’s water mate-
hOw rUdE
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the first law of thermodynamics states that (triangle)E= Q-W. is this also a statement of the principle of conservation energy
Verdich [7]
Yes, the first law of thermodynamics was created using the law of conservation of energy that is applied in a thermodynamic systems.the first law of thermodynamics is the change in internal energy of an isolated system is equal to the amount of heat (Q) added to the system minus the work (w) done by the system to the surroundings . while the law of conservation of energy states that in an isolated system that energy is constant, and energy can change its form but it cannot be created or destroyed.

7 0
3 years ago
Think about the electricity sent to your home from a power plant. How does the voltage of the electricity that leaves the plant
creativ13 [48]

Answer:

C) High voltage to low voltage

Explanation:

At a power plant, there is a production of electricity at a high voltage compared to the voltage provided to our home.

Voltage of about 12 KV is produced by power plant which is then converted into about 400 KV or greater (depending upon the countries) to transfer electricity from power plant to city Grid station using Step-up transformer. At City Grid station, Step-down transformer is used to convert high voltage (about 400 KV) to low voltage (about 13 KV) to transfer electricity from grid station to the city. Then this low voltage (about 13 KV) again converted to 220 V using Step-down transformer for household usage. So, overall  about 12 KV voltage at power plant is converted into 220 V for household usage using step-up and step-down transformer at different stages.

4 0
3 years ago
Which of the following is an inclined plane?
g100num [7]

Explanation:

Wheelchair ramp

An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load.

8 0
3 years ago
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What are some examples of uses of minerals? Select 3 choices.
julia-pushkina [17]

Answer:

salt, toothpaste, and applesauce

Explanation:

All of these have minerals in them. Hope this helps! :)

5 0
2 years ago
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Best way to explain the relationship between earths crust and earths ocean sizes
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<span>In geology, the crust is the outermost solid shell of a rocky planet, dwarf planet or natural satellite, which is chemically distinct from the underlying mantle.</span>
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