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goldenfox [79]
4 years ago
5

How many moles of h are in 0.73 mole of c6h10s

Chemistry
1 answer:
Mnenie [13.5K]4 years ago
7 0

Answer:

7.3 mole

Explanation:

1 C6H10S gives 10H

0.73 mole of C6H10S gives X mole of Hydrogen

X= 0.73×10=7.3mole

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370 cm3 of water at 80°C is mixed with 120 cm3 of water at 4°C. Calculate the final equilibrium temperature, assuming no heat is
NikAS [45]

Answer : The final temperature of the mixture is 61.4^oC

Explanation :

In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.

q_1=-q_2

m_1\times c_1\times (T_f-T_1)=-m_2\times c_2\times (T_f-T_2)

And as we know that,

Mass = Density × Volume

Thus, the formula becomes,

(\rho_1\times V_1)\times c_1\times (T_f-T_1)=-(\rho_2\times V_2)\times c_2\times (T_f-T_2)

where,

c_1 = c_2 = specific heat of water = same

m_1 = m_2 = mass of water  =  same

\rho_1 = \rho_2 = density of water = 1.0 g/mL

V_1 = volume of water at 80.0^oC  = 370cm^3=370mL

V_2 = volume of water at 4^oC  = 120cm^3=120mL

T_f = final temperature of mixture = ?

T_1 = initial temperature of water = 80.0^oC

T_2 = initial temperature of water = 4^oC

Now put all the given values in the above formula, we get:

(\rho_1\times V_1)\times (T_f-T_1)=-(\rho_2\times V_2)\times (T_f-T_2)

(1.0g/mL\times 370mL)\times (T_f-80.0)^oC=-(1.0g/mL\times 120mL)\times (T_f-4)^oC

T_f=61.4^oC

Therefore, the final temperature of the mixture is 61.4^oC

6 0
4 years ago
Which type of bond represents a weak chemical bond?
Nataliya [291]

Answer:

Hydrogen bond, cohesion

Explanation:

7 0
3 years ago
A fluid that vaporizes and condenses inside the tubing of a heat pump is called the.
ad-work [718]
<span>Answer: option C. Refrigerant. When the fluid vaporizes(passes from liquid to vapor) absorbs a lot of energy (called latent vaporization heat) which causes that the surroindings cool. The latent vaporization heat of the fluid permits the refrigeration process and the fluid is the refrigerant, this is the substance that permit that the refrigeration process take place.</span>
6 0
3 years ago
Read 2 more answers
At a temperature of -33.0 degrees C, a sample of confined gas exerts a pressure of 53.3 kPa. If volume remains constant, at what
Rasek [7]

Answer: 598.9K = 325.9°C

Explanation:

P1= 53.3kPa T1= -33+273=240K

P2=133kPa , T2= ?

Applying P1/T1 = P2/T2

Substitute and Simplify

53.3/240 = 133/T2

T2= 598.9K = 325.9°C

4 0
3 years ago
Propose a reason why very few 2+ ions are formed in a mass spectrometer
TEA [102]
A mass spectrometer is a machine that measures the mass of different substances by ionizing them and determining their paths in magnetic and electric fields. Few 2+ ions are created in a mass spectrometer because it is difficult to remove an electron from an ion that is already positive. It requires a lot more energy to accomplish this feat so it rarely happens in the process. 
5 0
4 years ago
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