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Ymorist [56]
3 years ago
15

How could you increase the potential energy of an apple you were holding?

Chemistry
1 answer:
Slav-nsk [51]3 years ago
5 0
If you're holding the apple at your waist, lift it to your mouth.
Potential energy relative to any level is proportional to its height 
above that level.  Increase that height, and you've increased the 
potential energy.
Since energy is conserved ... it never magically appears or 
disappears ... you need to tell where that extra energy for the 
apple came from.
It's exactly the work you did ... the force of your muscles acting 
through the distance you raised the apple ... that became the 
additional potential energy that the apple gained.
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2 C4H10 + 13 O2--> 8 CO2 + 10 H2O
AleksAgata [21]

Answer:

4.14 x 10²⁴ molecules CO₂

Explanation:

2 C₄H₁₀ + 13 O₂ --> 8 CO₂ + 10 H₂O

To find the number of CO₂ molecules, you need to start with 100 grams of butane (C₄H₁₀), convert to moles (using the molar mass), convert to moles of CO₂ (using coefficients from equation), then convert to molecules (using Avagadro's number). The molar mass of C₄H₁₀ is calculated using the quantity of each element (subscript) multiplied by the number on the periodic table. The ratios should be arranged in a way that allows for units to be cancelled.

4(12.011g/mol) + 10(1.008 g/mol) = 58.124 g/mol C₄H₁₀

100 grams C₄H₁₀          1 mol C₄H₁₀             8 mol CO₂          
--------------------------  x  ----------------------  x  ---------------------  
                                        58.124 g              2 mol C₄H₁₀          

    6.022 x 10²³ molecules
x  ------------------------------------  =  4.14 x 10²⁴ molecules CO₂
              1 mol CO₂

7 0
2 years ago
Which solution has the greatest number of hydroxide ions?
professor190 [17]
Baking soda. to put in the most simple terms..

-OH is the "base" anion
H+ is the "acid" ion

5 0
3 years ago
Read 2 more answers
Help please! I'd appreciate it 
babymother [125]

Answer:

16.56 g

Explanation:

Mass is the production of Volume and Density.

m = V. d = 6 × 2.76 = 16.56 g

6 0
3 years ago
What is the mass of an atom with seven protons, seven neutrons, and eight electrons?
belka [17]

Answer:

14

Explanation:

mass number = protons + neutrons

6 0
3 years ago
Which factor determine the reactivity of alkyl halide
Pavel [41]

Answer:

This reactivity order reflects both the strength of the C–X bond, and the stability of X(–) as a leaving group, and leads to the general conclusion that alkyl iodides are the most reactive members of this functional class.

6 0
3 years ago
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