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How much energy is required to melt 56g?
The energy required to melt a substance can be calculated using the formula: Energy = mass x heat of fusion. For water, the heat of fusion is 334 J/g. Therefore, the energy required to melt 56g of water would be 56g x 334 J/g = 18,704 J.
What mass of carbon dioxide would be produced when 2.00g of limestone is heated?
The chemical formula for limestone is CaCO3. When heated, limestone decomposes to produce calcium oxide (CaO) and carbon dioxide (CO2). The molar mass of CaCO3 is 100.09 g/mol. To calculate the mass of CO2 produced, you would first calculate the moles of CaCO3 in 2.00g, then use the stoichiometry from the balanced chemical equation to determine the moles and then mass of CO2 produced.
What is the molarity of a solution containing 56 grams of solute in 959mL of solution?
Calculating molarity of this solution requires the variables of solute mass (in kilograms), molecular weight of the solute (in kilograms per mole), and solution volume to be known (in liters). In this example we only have the variables of a mass of .056 kilograms and volume of .959 liters.
Calculate the mass of lime CaO that can be prepared by heating 200kg of limestone that is 95 percent pure CaCo?
To calculate the mass of CaO that can be prepared from 200kg of limestone that is 95% CaCO3, first calculate the mass of CaCO3 in the limestone: 200kg * 0.95 = 190kg. Next, use the molar mass of CaCO3 (100.09 g/mol) and CaO (56.08 g/mol) to determine the mass of CaO formed: (190kg * 1000g/kg * 56.08g/mol) / 100.09g/mol = 107,004 g or 107.004 kg of CaO.
A substance has a mass of 90 g and occupies a volume of 15 ml What is the density of this substance?
D = m/V D = 56g/15ml D = 3.7g/ml
Calculate the number of moles in 112 g of iron?
To calculate the number of moles in 112 g of iron, divide the given mass (112 g) by the molar mass of iron, which is approximately 55.85 g/mol. So, 112 g / 55.85 g/mol = approximately 2 moles of iron.
What does 56g equals?
56g is equal to 0.056 kilograms (kg) or 56,000 milligrams (mg). In terms of ounces, 56g is approximately 1.98 ounces. This conversion is important in various fields such as chemistry, cooking, and pharmacology.
What is 130 percent of 56g?
130% of 56g = 130% * 56 = 1.3 * 56 = 72.8g
What is the significant figures for 56g?
The significant figures for 56g are two, as there are two non-zero digits in the number.
How many moles of iron atoms are there in 56g of iron?
The amount of particles (any kind) in ONE mole (of any substance) is always equal to Avogadro's number: 6.02*10+23 (This is the definition of a 'Mole'. It is just a number like a 'dozen' -12- or 'gross' -144-, though much larger. There is nothing 'chemical' in this number, however) So, here is your answer: 0.56 mole = 0.56 * 6.02*10+23 = 3.37*10+23
How many carbohydrates is a lollypop?
a lollypop has 24 carbs in it
What is the volume of 56g of nitrogen gas at 750mmHg and 25c?
To find the volume of a gas, we can use the ideal gas law: PV = nRT. First, calculate the moles of nitrogen using the given mass and molar mass. Then, rearrange the ideal gas law to solve for volume: V = nRT/P. Plug in the values for n (moles), R (ideal gas constant), T (temperature in Kelvin), and P (pressure) to find the volume.
How many grams of calcium carbonate are required to prepare 50.0 g of calcium oxide?
This is a mass stoichiometry problem. Start with the balanced equation: CaCO3 --> CaO + CO2. Do a conversion from 50g CaO to moles: 56g/1mol=50g/x, x=.9 moles. The equation is balanced as written, with all coefficients understood to be 1. So: .9 moles CaO means .9 moles CaCO3. Do another conversion from moles to grams: 100g/1mol=x/.9 moles. Solve for x to get 90 grams. (56g=molar mass of calcium oxide; 100g=molar mass of calcium carbonate.)
How much energy is required to melt 56g?
The energy required to melt a substance can be calculated using the formula: Energy = mass x heat of fusion. For water, the heat of fusion is 334 J/g. Therefore, the energy required to melt 56g of water would be 56g x 334 J/g = 18,704 J.
If there are 56mg in a ml how many grams are in a liter?
gram is a weight measurement. litre is a liguid measurement 56 X 1000/1000 so 56g.
How much does a tennis ball weigh in grams?
A standard tennis ball weighs about 56g-58g.
How many grams of lead nitrate will dissolve in 100mL of cold water?
Approximately 161 grams of lead nitrate will dissolve in 100mL of cold water at room temperature.
