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The atomic number of Re is 75 The atomic mass of one of its isotopes is 186 How many neutrons are in an atom of this isotope?
The atomic mass minus the atomic number equals the number of neutrons. Thus in the case above the number of neutrons would calculate out to be 11. HOWEVER PLEASE NOTE Rhenium (Re) does not have an atomic mass of 86, it has two isotopes one of atomic mass 185 and another of atomic mass 187. Thus the real number of neutrons is 110 or 112.
What is the maximum amount of that can theoretically be made from 186 of and excess oxygen?
To determine the maximum amount of a product that can theoretically be made from 186 grams of a substance and excess oxygen, we need to know the specific chemical reaction and the molar mass of the substance involved. Without this information, we cannot calculate the theoretical yield. Please provide the chemical formula or reaction details for a more accurate answer.
What is the mass of the isotope 195Au?
195Au is an isotope of gold with a half life of about 186 days. It decays into 195Pt, an isotope of platinum. Its mass is 194.97 atomic mass units.
When is your weight is equal to mg?
My mass is 83.91 kilograms, or 83,910,000 milligrams. My weight on earth is 822.32 newtons, or 186 pounds.
P4 plus 6F2 yields 4PF3 What mass of F2 is needed to produce 186 g of PF3 if the reaction has a 76.5 percent yield?
First, calculate the molar mass of PF3: P = 30.97 g/mol, F = 19.00 g/mol, so PF3 = 30.97 + (3 * 19.00) = 88.97 g/mol. Given that the reaction is 76.5% yield, the actual mass of PF3 produced is 186 g / 0.765 = 242.75 g. From the balanced equation, 6 moles of F2 are needed to produce 4 moles of PF3. Therefore, the molar ratio is 6:4. Calculate the moles of PF3 produced and then find the moles of F2 needed. Finally, convert moles of F2 to grams.
What is the mass in g of 186 ml of nitrogen gas?
To find the mass of nitrogen gas, we need to know the density of nitrogen gas at a given temperature and pressure. The density of nitrogen gas at standard conditions (0°C and 1 atm) is approximately 1.25 g/L. Therefore, the mass of 186 ml (0.186 L) of nitrogen gas would be around 0.2325 grams.
How many moles are in 186 grams of HBr?
For this you need the atomic (molecular) mass of HBr. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel. HBr= 81.0 grams186 grams HBr / (81.0 grams) =2.30 moles HBr
How many pounds are 186 grams?
186g = 0.41006 pounds.
The largest guitar ever built weighed 140286 grams how many kilograms did this guitar weigh?
I think that would make it 140 kilograms and 186 grams
What mass of potassium chlorate would contain 40.0g of oxygen?
To calculate the mass of potassium chlorate containing 40.0g of oxygen, first determine the molar mass of oxygen (16g/mol). Then, use the molecular formula of potassium chlorate (KClO3) to find the oxygen's molar ratio in KClO3 (1:3). Finally, calculate the mass of KClO3 using the molar mass and the molar ratio to find that approximately 186 grams of potassium chlorate contain 40.0g of oxygen.
The atomic number of Re is 75 The atomic mass of one of its isotopes is 186 How many neutrons are in an atom of this isotope?
The atomic mass minus the atomic number equals the number of neutrons. Thus in the case above the number of neutrons would calculate out to be 11. HOWEVER PLEASE NOTE Rhenium (Re) does not have an atomic mass of 86, it has two isotopes one of atomic mass 185 and another of atomic mass 187. Thus the real number of neutrons is 110 or 112.
If the mass of an object is 186 kilograms what is its weight in pounds?
158Kg = 348.33 lbs
What do you have to times by 6 to make 186?
To find the number you need to multiply by 6 to get 186, you would divide 186 by 6. This calculation gives you 31. Therefore, you need to multiply 31 by 6 to get 186.
What is the maximum amount of that can theoretically be made from 186 of and excess oxygen?
To determine the maximum amount of a product that can theoretically be made from 186 grams of a substance and excess oxygen, we need to know the specific chemical reaction and the molar mass of the substance involved. Without this information, we cannot calculate the theoretical yield. Please provide the chemical formula or reaction details for a more accurate answer.
How many teaspoons in 780g?
To convert grams to teaspoons, you need to know the substance's density, as different substances weigh differently. For example, granulated sugar is approximately 4.2 grams per teaspoon, while flour is about 2.6 grams per teaspoon. Assuming you're referring to granulated sugar, 780 grams would be roughly 186 teaspoons (780g ÷ 4.2g/teaspoon). For other substances, the conversion would vary.
How many stone is 186 kilogram?
To convert 186 kilograms to stone, you would divide 186 by 6.35, since 1 stone is equal to 6.35 kilograms. 186 kilograms is approximately 29.29 stone.
What is half of 186?
Half of 186 is 186 divided by 2, so the answer would be 93.
