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A lizard is running across the road at a speed of 2.8 m/s. To be safely on the other side of the road, the lizard needs to run 3.0 meters. How long will it take for the lizard to run 3.0 meters? Round to a tenth of a second.
A 3.5
3.5 g sample of sodium hydrogen carbonate is added to a solution of acetic acid weighing 10.5
10.5 g. The two substances react, releasing carbon dioxide gas to the atmosphere. After the reaction, the contents of the reaction vessel weigh 12.4
12.4 g. What is the mass of carbon dioxide released during the reaction?
How to prepare 2M FeSO4 Solution
How to prepare 2M FeSO4 Solution
1. You have a 0.02 M stock solution of Tris base. How would you make 500 ml of 0.3 mM Tris base ?
Two solutions are mixed with same kind of solute. Find the Mixed concentration if the concentration of solution 1 is 4.321 %mass with quantity of 1.128 kg and solution 2 has a concentration of 1.161 %mass and has quantity of 1.341 kg?
If two solutions are mixed with same kind of solute. How to find Solution 1 quantity in kg solvent if Solution 1 concentration has 3.975 m and solution 2 concentration has 6.532 m and solution 2 quantity has 4.937 in kg solvent and resulting to a mixed concentration of 5.421 m?
A vitamin syrup for infants contains 27.44 mg of zinc sulfate monohydrate (ZnSO4.H2O) and 100.00 mg of ascorbic acid (C6H8O6)for every 5 ml.
How many moles of asorbic acid does it contain?
How many moles of asorbic acid does it contain?
If two solutions are mixed with the same kind of solute. If the conc. of Solution 1 has 2.979 M and has quantity of 9.164 L, and solution 2 has ___ and 6.271 L resulting to a Mixed conc. of 5.010 M.
When light of a frequency (1.1x1015) s-1 shines on the surface of aluminum metal, electrons are ejected with a maximum kinetic energy of (4.900x10-19) J. Calculate the binding energy of electrons to aluminum metal.
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#339914 on Dec 2023
#339914 on Dec 2023