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How much heat is absorbed when 75 g of liquid carbon tetrachloride (CCl4) vaporizes into a gas?
The heat absorbed during vaporization is called the heat of vaporization. For carbon tetrachloride, the heat of vaporization is 30.5 kJ/mol. To calculate the heat absorbed when 75 g of CCl4 vaporizes, you would first convert grams to moles using the molar mass of CCl4. Then, use the heat of vaporization to calculate the total heat absorbed.
How many moles of HCl are present in 75 mL of a 200 M solution?
There are 15 moles of HCl present in 75 mL of a 200 M solution. To calculate this, first convert 75 mL to liters (0.075 L), then use the formula Molarity = moles/volume to find moles. So, 200 M = x moles / 0.075 L. Solving for x gives you 15 moles of HCl.
How many protons are in rhodium?
Rhenium has 75 protons, 75 electrons and 111 neutrons.The number of protons is equal to the number of electrons.Neutrons can be calculated by subtracting the number of protons from the atomic weight.In this case atomic number is 186 ==> the nr of neutrons = 186-75=111.
How many pennyweights in 75 grams?
There are approximately 58.33 pennyweights in 75 grams.
What is the atomic number of rhenium?
Rhenium, with the chemical symbol Re, is the chemical element with the atomic number 75.
What is the wavelength of an electromagnetic wave that travels 3 x 10 and has a frequency of 4 x 10?
wavelength=velocity/frequency (v/f). wavelength=(3x10/4x10)=30/40=.75 meters
What is the velocity of a car that traveled a total of 75 kilometers in 1.5 hours?
With the information given, it's not possible to calculate what it is now. But during that 90 minutes, its average velocity was 50 kph north.
In a resonance tube the second harmonic take place at 75 cm the wavelength of a wave is?
75
How far does a plane fly in 15 seconds while its velocity is increasing from 75 miles per second to 145 miles per second at a uniform rate of acceleration?
To find the distance traveled, we can use the formula: distance = initial velocity * time + 0.5 * acceleration * time^2. The initial velocity is 75 miles per second, the final velocity is 145 miles per second, and the time is 15 seconds. The acceleration can be found using the formula: acceleration = (final velocity - initial velocity) / time. Plug in the values to find the acceleration and then calculate the distance traveled in 15 seconds.
How far does a plane fly in 15 seconds while it's velocity is increasing from 75 m s to 145 m s at a uniform rate of acceleration?
To calculate the distance traveled while the velocity is increasing, you can use the formula: distance = initial velocity * time + 0.5 * acceleration * time^2. In this case, the initial velocity is 75 m/s, the final velocity is 145 m/s, the acceleration is constant, and the time is 15 seconds. Plugging these values into the formula will give you the distance the plane travels during the acceleration period.
How do you calculate 60 percent of 75?
(60*75)/100=45
How do you calculate 75 percent of 18?
find 75% of 10 and 75%of 8 then add them together
What is the wavelength of red colour?
Red is in the range of 635-700 nanometers (nm).
Find the velocity of a truck that travels 75 miles north in 2.5 hours?
Speed = Distance divided by Time. So, speed = 75 miles divided by 2.5 hours = 75 / 2.5 = 30 miles per hour. Velocity is speed and direction, so the velocity is 30 mph Northbound.
What is the wavelength of 75 Hz?
What is the wave length of 100 Hz? Answer You mean a sound wave in air. At a temperature of 20 degrees Celsius or 68 degrees Fahrenheit there is the speed of sound c = 343 meters per second. For a tone of f = 100 Hz the wavelength is lambda = c / f = 343 / 100 = 3.43 meters.The equation for the relationship between wavelength and frequency is X = frequency * wavelength, where X = the speed of the particle. For light, the wavelength of 100 Hz is 2.99 E8 cm, and for sound, the wavelength is 60 m.
If you are driving 75 mph how long does it take to go 1 mile?
Velocity = Distance ÷ Time : therefore, Time = Distance ÷ Velocity. Time = 1 ÷ 75 = 0.01333 hours = 0.8 minutes = 48 seconds.
How do you calculate a percentage as a equation?
To find what is 75% of 250: 75 ÷ 100 × 250 = 187.5
