Determine the energy which parallel-plate capacitor store
A parallel-plate capacitor has 2.00 cm2 plates that are separated by 6.00 mm with air between them. If a 12.0 V battery is connected to this capacitor, how much energy does it store?
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What is the pH of a buffer that is 0.175M in a weak acid and 0.213M in the acid's conjugate base? The acids ionization constant is 5.7 * 10-4.
On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 4.80 kg, and on this particular planet its weight is 40.8 N. If the astronaut exerts an upward force of 50.0 on the rock, what is its acceleration?
Describe what happens in the heat-affected zone of the weld and discuss the problems that might occur. Design a joinging process that may minimize these problems.
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A scientist conducted a hybridization experiment using peas with green pods and yellow pods. He crossed peas in such a way that 25% (or 149) of the 596 offspring peas were expected to have yellow pods. Instead of getting 149 peas with yellow pods,
A 8.00 kg shell at rest explodes into two fragments, one with a mass of 1.00 kg and the other with a mass of 7.00 kg. If the heavier fragment gains 140 J of kinetic energy from the explosion, how much kinetic energy does the lighter one gain?
The label on liquid Gaviscon states that each tablespoon (15mL) contains 95 mg of aluminum hydroxide and 412 mg of magnesiumcarbonate. How many moles of hydronium ion can be neutralized by one tablespoon of Gaviscon?
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