Calculate how much energy is released
Calculate how much energy is released when the polonium-210according to 210^Po------->4^H+206^Pb. {Atomic masses: polonium-210 = 209.982857 amu ; helium-4= 4.002603 amu ; lead-206=205.974449 amu}
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How many moles of KHP are present if you prepare a primary standard by dissolving the 499 mg of dried KHP in 35 ml of distilled water.
A 10 cm lengthy animal tendon was found to stretch 3.5 mm by a force of 13.1 N. The tendon was about round with an average diameter of 8.0 mm. Compute the elastic modulus of the tendon.
When 4-methylhexanal is heated in base and undergoes and also addition followed by a dehydration provide the structure of the major organic product that results.
Determine the numbers of 30mg KMNO4 (Potassium Permanganate) tablets are required to make the following solution? KMNO4 1:50000 600ml.
Determine time it would take you to ride bicycle home. Determine the time your father will arrive home. Write the equation to find the distance d1, from Pittsburgh after t hours.
Estimate the major organic product of reaction between the cyclohexanone and the cyclohexanol in the presence of acid (H+)?
An 8 cm diameter, 400 g sphere is released from rest to the tip of a 2.1 m long, 25 degree incline. It rolls, devoid of slipping, to the bottom. i) Determine the angular velocity of the sphere at the bottom of the incline?
What fraction of a tritium sample will remain after 5.20 years when the heaviest known isotope of hydrogen is called the tritium, 31H. It decays by beta emission, and has a half-life of 12.3 years.
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