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maw [93]
2 years ago
10

HELP ME PLEASEE!!!! BRAINLIEST FOR CORRECT ANSWER NO COPY AND PASTE. CLICK ON THE IMAGE

Chemistry
2 answers:
a_sh-v [17]2 years ago
8 0

Conversion of energy describes that energy cannot be created or destroyed, when work is done, energy is changed from one form to another.

  • An example of conversion of energy is when a book is on a shelf it has gravitational potential energy, if it falls of the shelf it will have kinetic energy.

Though due to the process through which energy transfers take place not being 100% efficient, energy is sometimes lost to the surrounding and energy gets more spread out, air resistance and friction.

Some types of energy:

  1. Gravitational
  2. Kinetic energy
  3. Strain energy
  4. Nuclear energy
  5. Internal Energy
  6. Sound energy
  7. Electric energy.
madreJ [45]2 years ago
3 0

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Featured snippet from the web
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside. ... The only way to use energy is to transform energy from one form to another.
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Which statement describes the energy changes that occur as bonds are broken and formed during a chemical reaction? 1.Energy is a
Snowcat [4.5K]

Answer:

C

Explanation:

Br + Br-> Br2 (covalent bond)

bond formation releases energy, as the Br's are in a lower energy state like Br2

6 0
3 years ago
2.41 x 10^2 Cm to meters
Assoli18 [71]

We know that there are 100 cm in 1 m, so we can use this to convert to meters:

(\frac{2.41x10^{2}cm}{1})*(\frac{1m}{100cm} )=2.41m

Therefore we know that 2.41x10^{2} cm is equal to 2.41 m.

8 0
3 years ago
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Write 4.13X10^3 in decimal notation.
alukav5142 [94]

Answer:

4.13X10^3= 4130 in the expanded form

4 0
3 years ago
What is the osmotic pressure, in torr, of a 3.00% solution of NaCl in water when the temperature of the solution is 45 ºC? Enter
Anit [1.1K]

213034 torr is the osmotic pressure.

Explanation:

osmotic pressure is calculated by the formula:

osmotic pressure= iCrT

where i= no. of solute

c= concentration in mol/litre

R= Universal Gas constant

T = temp

It is given that solution is 3% which is 3gms in 100 ml.

let us calculate the concentration in moles/litre

3gm/100ml*1000ml/1L*1mol NaCl/55.84g NaCl

= 5.372 gm/litre

Putting the values in the formula,                   Temp in Kelvin 318.5K

osmotic pressure= 2*5.372*0.083 * 318.5                 Gas constant  0.083

                              = 284.023 bar or 213018 torr.                 c=  5.372 moles/L                                                                              

                                                                                    i=2 for NaCl

4 0
3 years ago
Which is a gas at room temperature?
dalvyx [7]

Answer:

Several of the nonmetals are gases in their elemental form. Elemental hydrogen (H, element 1), nitrogen (N, element 7), oxygen (O, element 8), fluorine (F, element 9), and chlorine (Cl, element 17) are all gases at room temperature, and are found as diatomic molecules (H2, N2, O2, F2, Cl2).

Explanation:

8 0
3 years ago
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