AREA*THICKNESS(length)*7.85
pi*r2*t*7.85 - in mm
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The formula to calculate the weight of a Teflon round bar is weight = volume x density. First, calculate the volume of the round bar using the formula for the volume of a cylinder: volume = π x (radius)^2 x length. Next, multiply the volume by the density of Teflon to find the weight of the round bar.
To determine the empirical formula, first calculate the moles of each element present by dividing the given masses by their respective molar masses. Then, divide each mole value by the smallest mole value obtained. Finally, round the resulting ratio to the nearest whole number to determine the subscripts required for the empirical formula. In this case, the empirical formula would be K2O2Sn.
The weight of a 100mL round bottom flask can vary depending on the material it is made of. A typical 100mL glass round bottom flask weighs approximately 100-150 grams.
First, calculate the weight of 1 drop of ethanol: 0.60 grams / 15 drops = 0.04 grams per drop. To dispense 1.0 mL of ethanol, you will need 1.0 mL / 0.80 g/mL = 1.25 grams. Finally, to find the number of drops, divide the total weight by the weight per drop: 1.25 grams / 0.04 grams per drop = 31.25 drops, round up to 32 drops.
The specific formula for Joy dishwashing liquid is proprietary information owned by Procter & Gamble, the company that produces Joy. As such, the exact formulation is not publicly disclosed.
To find the empirical formula, we need to convert the percentages into moles. Then, we divide the moles of each element by the smallest number of moles to get the simplest whole-number ratio. From the given percentages, we find that the empirical formula of the pesticide is CCl3H.