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Jlenok [28]
3 years ago
10

What energy transfer is occurring when you make a call on a phone?

Chemistry
2 answers:
irga5000 [103]3 years ago
7 0
When you make a call, the electricity turns into sound.

Hope this helped! c: 
dimulka [17.4K]3 years ago
7 0

Answer: option B

Explanation: a.combustion is an example for chemical energy into light. Example burning of wood

B. Exothermic chemical reactions releases energy in the form of heat..

Example burning of coal

C. Electric kettle, motor's sound and motorcycle sound are examples for heat to sound

D. Mobile speakers are examples for electrical to sound

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Think about agriculture research which of the following statements is accurate?
irina [24]

A.genetic modification of food helps it grow more easily in certain areas

Explanation:

The statement genetic modification of food helps it grow more easily in certain areas is a form of agricultural research that is very accurate.

Genetically modifying food is common practice in order to encourage desirable and sustainable traits in plant species.

  • Drought resistant breeds can tolerate a much lower level of water in some specific areas.
  • Disease resistant breeds are more adapted to outbreaks of plant epidemics.
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3 years ago
How do you tell by the formula that an element on the periodic table is a metal
Dmitrij [34]
The metalloids are on the right side of the periodic table B, Si, Ge, As, Sb, Te, and At. The nonmetals are also on the right side next to the metalloids, there should be a He at the top right of the periodic table and there should be one more nonmetal at the top left of the periodic table that is H. And from the metals they are all on the middle next to the metalloids, starting from Li, Be, Na, and Mg as so on all of those are metals.
7 0
3 years ago
Can somebody help please to balance those I couldn’t balance it
scZoUnD [109]

Answer:

1.

(NH4)2Cr2O7——>Cr2O7+N2+4H2O

2.

6CO2+6H2O——>C6H12O6+6O2

6 0
3 years ago
How many moles do you need to prepare 1.675 L of a 8.50 M NaOH solution? Round your answer to 2 decimal places.
vampirchik [111]

Answer:

0.20 mol's

Explanation:

1.675 L = 1.675 dm^3

moles = V/(conc):

moles = 1.675/(8.5)

moles = 0.1970... --> 0.20

7 0
3 years ago
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kvv77 [185]

Answer:

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Brainliest please

6 0
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