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frosja888 [35]
3 years ago
9

What would happen if the pilot was unable to cool down the heated air trapped inside the balloon?

Chemistry
1 answer:
stepan [7]3 years ago
3 0
The ballon would probably catch on fire
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A bicycle has a speed of 6.00 m/s. What is it’s speed in km/h.
aleksandrvk [35]

Answer:

21.6 km/h

Explanation:

8 0
3 years ago
Give the ΔH value for the decomposition of silver chloride as shown in the reaction 2AgCl(s)+127 kJ→2Ag(s)+Cl2(g).
choli [55]

Answer: \Delta H=+127kJ

Explanation:

2AgCl(s)+127kJ\rightarrow 2Ag(s)+Cl_2(g)  

Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and \Delta H for the reaction comes out to be negative.

Endothermic reactions are defined as the reactions in which energy of the product is greater than the energy of the reactants. The total energy is absorbed in the form of heat and \Delta H for the reaction comes out to be positive.

As the heat is absorbed the reactants , the reaction is endothermic and \Delta H for the given endothermic reaction will be +127 KJ

6 0
4 years ago
If 22.5 mol of an ideal gas occupies 30.5 L at 447 K, what is the pressure of the gas?
Fantom [35]

Answer:

P = 27.07 atm

Explanation:

Given that,

The number of moles, n = 22.5 mol

Volume, V = 30.5 L

Temperature, T = 447 K

We need to find the pressure of the gas. The ideal gas law is as follows :

PV=nRT\\\\P=\dfrac{nRT}{V}

R = 0.0821 L-atm/mol-K

Put all the values,

P=\dfrac{22.5\times 0.0821\times 447}{30.5}\\\\P=27.07\ L

So, the pressure of the gas is 27.07 atm.

8 0
4 years ago
Describe the phenomena that can be explained only by the wave model of light.
klio [65]

Answer:

Einstein proposed that electromagnetic radiation has a wave-particle nature, that the energy of a quantum, or photon, depends on the frequency of the radiation, and that the energy of the photon is given by the formula Ephoton=hv.

3 0
3 years ago
Read 2 more answers
CH3(CH2)50CH3<br><br> How many atoms
ahrayia [7]

24

Explanation:

An atom is the smallest indivisible particle of any matter. Atoms are distinct and distinguishable from one another and are called elements:

                             CH₃(CH₂)₅0CH₃

 There are 3 different kinds of atoms in the compound above called  

elements

                               Carbon

                               Hydrogen

                               Oxygen

 In the compound the subscripts gives the number of atoms:

                                C - 7

                                H - 16

                                0 - 1

    Number of atoms in the compound is 24.

Learn more:

Number of atoms brainly.com/question/10419836

#learnwithBrainly

3 0
4 years ago
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