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PSYCHO15rus [73]
3 years ago
11

Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coeffici

ent is "1."
CH3OH + O2 → CO2 + H2O
Chemistry
2 answers:
IRISSAK [1]3 years ago
4 0
2CH3OH+302  -->  2C02+4H2O
Troyanec [42]3 years ago
3 0

Balanced chemical reaction:

1) CH₃OH + 3/2O₂ → CO₂ + <u>2</u>H₂O or

2) <u>2</u>CH₃OH + <u>3</u>O₂ → <u>2</u>CO₂ + <u>4</u>H₂O.

Number of atoms must be the same on left and right side of balanced chemical reaction according to the law of conservation of mass or principle of mass conservation.

1) There are four hydrogen atoms, one carbon atom, four oxygen atoms in this chemical reaction.

2) There are eight hydrogen atoms, two carbon atoms, eight oxygen atoms in this chemical reaction.

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Dalton's theory was different from Niels Bohr who proposed a new atomic model which was also commonly known as the modern atomic theory. Bohr's theory says that atoms are arranged in circular orbits around the nucleus. He patterned his model as the solar system. 
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3 years ago
What is N? (Needed electrons)
lianna [129]
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4 years ago
Water flows from the bottom of a large tank where the pressure is 100 psig through a pipe to a turbine which produces 5.82 hp. T
Marianna [84]

Explanation:

Bernoulli equation for the flow between bottom of the tank and pipe exit point is as follows.

   \frac{p_{1}}{\gamma} + \frac{V^{2}_{1}}{2g} + z_{1} = \frac{p_{2}}{\gamma} + \frac{V^{2}_{2}}{2g} + z_{2} + h_{f} + h_{t}

    \frac{(100 \times 144)}{62.43} + 0 + h[tex] = [tex]\frac{(50 \times 144)}{(62.43)} + \frac{(70)^{2}}{2(32.2)} + 0 + 40 + 60

                          h = \frac{(50 \times 144)}{(62.43)} + \frac{(70)^{2}}{2(32.2)} + 40 + 60 - \frac{(100 \times 144)}{(62.43)}

                            = 60.76 ft

Hence, formula to calculate theoretical power produced by the turbine is as follows.

                                 P = mgh

                                     = 100 \times 60.76

                                     = 6076 lb.ft/s

                                     = 11.047 hp

Efficiency of the turbine will be as follows.

                \eta_{t} = \frac{P_{actual}}{P_{theoretical}} × 100%

                                = \frac{5.82}{11.047} \times 100%                      

                                = 52.684%

Thus, we can conclude that the efficiency of the turbine is 52.684%.

4 0
3 years ago
A catalyst works by(1) increasing the potential energy of the reactants(2) increasing the energy released during a reaction(3) d
valentina_108 [34]
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