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WebThis video covers how rearrange formulas to make a particular variable (letter) the subject. For example 'Rearrange y = 3x + 4 to make x the subject'. GCSE Maths - Rearranging Formulas Part 2... WebTorque is determined by using this formula: T=r \times F \times \sin \theta T = r×F ×sinθ T is the torque (N-m or ft-lbf). r is the lever length (m or ft). F is the applied force ( N or lbf ). … difference between bayer and tylenol
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WebBalancing chemical equations 1 Google Classroom Balance the following chemical equation: \text {Mg (OH)}_2 + Mg (OH)2+ \text {HCl} \rightarrow HCl → \text {MgCl}_2 + MgCl2+ \text {H}_2\text {O} H2O Note: All reactants and products require a coefficient of at … WebWorking out the Molecular formula (Mr) Add up the atomic masses of each element - CH₄ = 16 Number of moles of a substance given in grams (eg a solid) moles = mass (g) / Molecular mass Mr (g per mol) Numer of moles given a volume and concnetration moles = volume (cm³) x concentration (mol/dm³) ÷ 1000 How do you convert cm³ to dm³? Divide by 1000 WebOur videos have been made by teachers who have unbelievable, amazing track-record of students getting A*s (9’s). Tests Gain access to end of topic tests, which contain a mixture of multiple choice and calculation questions that get marked instantly. Worksheets forget the alamo review