Determine and the atomic mass of the other isotope
Gallium has an atomic mass of 69.7 amu. In a typical sample, 60.4% of Ga exists as Ga-69 (68.9257 amu). What is the identity and the atomic mass of the other isotope?
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A model rocket blasts off and moves upward with an acceleration of 13 until it reaches a height of 27 , at which point its engine shuts off and it continues its flight in free fall. What is the maximum height attained by the rocket?
What is the final temperature (in °C) of 1.53 g of water with an initial temperature of 12.0°C after 7.478 J of heat is added to it?
A shell traveling with speed Vo exactly horizontally and due north explodes into 2 equal mass fragments. One fragment traveling vartically up with speed V0 what is the velocity of the other one?
The plane releases the "care package" that falls to the ground along a curved trajectory. Ignoring air resistance, if all other factors remain the same, determine the time required for the package to hit the ground.
A box weighing 77.0N rest on a table. a rope tied to the box runs vertically upward over the pulley and a weight is hung from the other end. Determine the force that the table exerts on the box if the weight hanging on the other side is 30.0N
How many grams of potassium permanganate are needed to decolorize 1 g of 2-pentene in basic solution?
Identify the oxidizing agent and the reducing agent for rm Ba(s) + Cl_2(g) to BaCl_2(s)?
Calculate the pH of a solution that is formed when 25.0 mL of 0.24 M ammonia (Kb = 1.8 x 10-5) is mixed with 25.0 mL of 0.20 M ammonium chloride.
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