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Sep 26, 2011 · Finding Work given mass and distance. In summary, the question asks for the amount of work required to lift a 4.0 kg concrete block to a height of 2.0 m. Using the formula W = Fd, where F is the force and d is the distance, and F = mg, where m is the mass and g is the acceleration due to gravity, the work is calculated to be 78.4 J.
take some careful measurements to work out the empirical formula of a compound. Classic chemistry: finding the empirical formula The simplest type of formula – called the empirical formula – shows just the ratio of different atoms. For example, while the molecular formula for glucose is C 6 H 12 O 6, its empirical formula is CH 2
Oct 17, 2022 · Remember to state your answer in square units. [2] 3. Multiply the area of the side of the cube by 6. Now that you've found the area of one side of the cube, all you have to do to find the surface area is to multiply this number by 6. 16 cm 2 x 6 = 96 cm 2. The surface area of the cube is 96 cm 2.
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The resulting answers will tell us the number of moles of each element used in the reaction (and thus in the final compound). To find the empirical formula of tin iodide, we need to find the number of moles of iodine used for one mole of tin. Here, we divide both answers in step 16 by the number of moles of tin used (as this will tell us how ...
Jul 18, 2022 · This can be generalized to a formula known as the Golden Power Rule. Golden Power Rule: ϕn = fnϕ + fn − 1. where fn is the nth Fibonacci number and ϕ is the Golden Ratio. Example 10.4.5: Powers of the Golden Ratio. Find the following using the golden power rule: a. and b.
Apr 8, 2024 · Here's the formula for calculating the increase with this example: New value - original value = increase 50 - 5 = 45. 2. Divide the increase. Use the increase you determined to calculate the percent increase. Divide the result of your subtraction by the original value.
Apr 12, 2024 · To calculate the volume of a cone, start by finding the cone's radius, which is equal to half of its diameter. Next, plug the radius into the formula A = πr^2, where A is the area and r is the radius. Once you have the area, multiply it by the height of the cone. Finally, divide that number by 3 to find the volume of the cone.
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