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How many moles of H2 are there if 0.845 L of H2 is collected at 25 degrees Celsius and 782 mmHg?
To find the number of moles of H2, we need to use the ideal gas law equation: PV = nRT. Convert 0.845 L to 0.845/22.4 = 0.0377 moles. Convert 782 mmHg to atm by dividing by 760: 782/760 = 1.03 atm. Plug in the values and solve for n: n = (1.03 atm * 0.0377 moles) / (0.0821 Latm/(molK) * 298 K) ≈ 0.0016 moles of H2.
How many g in 12.76 kilogram?
12.76 kg = 12 760 gTo convert from kg to g, multiply by 1000.
How many kilometers is 760 miles?
760 kilometers is about 472.242 miles.
How many grams of oxygen will occupy 213 ml at 760mm of hg and 25 C?
To find the mass of oxygen gas (O₂) in grams occupying 213 ml at 760 mmHg and 25°C, we can use the ideal gas law. First, convert the volume to liters (0.213 L) and the temperature to Kelvin (298 K). Using the ideal gas equation ( PV = nRT ), where ( P = 1 ) atm (760 mmHg), ( R = 0.0821 , \text{L·atm/(mol·K)} ), and solving for ( n ) (moles), we find ( n \approx 0.0084 , \text{mol} ). The molar mass of O₂ is about 32 g/mol, so the mass of oxygen is approximately 0.2688 grams.
How many centimeters are there in 760 millimetres?
There are 10 milimetres in one centimetre. Therefore, 760 millimetres is equal to 760/10 = 76 centimetres.
760 grams equals how many pounds?
About 1.676 pounds for 760g
How many milligrams are in 0.76 grams?
There are 1000 milligrams in a gram. Therefore 0.76 grams is 760 milligrams.
How many grams are in 0.76 kilograms?
There are 1000 grams in one kilogram. Therefore, 0.76 kilograms is equal to 0.76 x 1000 = 760 grams.
What is 760grams in pounds?
760 grams = 1.68 pounds.
How much is 760 grams?
One pound and 7oz
How many calories in 200g of rolled oats?
In 200 grams of rolled oats, there are approximately 760 calories. This can vary slightly depending on the specific brand or type of oats, but rolled oats typically contain about 380 calories per 100 grams. Therefore, for 200 grams, you can expect around 760 calories.
How many moles of H2 are there if 0.845 L of H2 is collected at 25 degrees Celsius and 782 mmHg?
To find the number of moles of H2, we need to use the ideal gas law equation: PV = nRT. Convert 0.845 L to 0.845/22.4 = 0.0377 moles. Convert 782 mmHg to atm by dividing by 760: 782/760 = 1.03 atm. Plug in the values and solve for n: n = (1.03 atm * 0.0377 moles) / (0.0821 Latm/(molK) * 298 K) ≈ 0.0016 moles of H2.
What would weigh 760 nanograms?
760 nanograms is a very small weight, equivalent to 0.00000076 grams. This weight is lighter than a grain of sand and is commonly used to measure very small amounts such as trace elements or drugs in biological samples.
Find out how many calories and grams of fat are in a Burger King Whopper.?
760 calories 1.5 grams of fat I think it is like 1024.00 calories. Look on a subway eat fresh drink.
How many tens are there in 760?
760/10 = 76.
How many grams of Mg must react with HCl in order to produce 80 mL of hydrogen gas at STP?
The key is to understand that Mg is limiting. Therefore, the final number of moles of H2 will equal the starting number of moles of Mg. Using gas law equations we can first find the moles of H2 and then find the moles of Mg. 1. PV = nRT --> n = PV/RT P = 760 mm Hg (pressure at STP) V = 80.0 mL (given) R = 62,400 mL-mm Hg/mol-K (constant) T = 273 K (temp. at STP) Now you have all the information you need to solve for the number of moles of Mg. Solve for moles and convert to grams.
The partial pressure of F2 in a mixture of gases where the total pressure is 1atm is 300 torr what is the mole fraction of F2?
0.395 total moles moles F 760.torr 300.torr total moles moles F 2 2 = ×
