Discuss what color would you expect the phenolphthalein
Discuss what color would you expect the phenolphthalein into be after being added to the solution left after an alkali metal reacts totally with the water?
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Determine the numbers of grams of the first reactant are necessary to completely react with55.8 grams of the second reactant for the following precipitation reaction.
Determine what mass of water at 28.0° C added to the Styrofoam cup having two ice cubes of 60.0 g from a freezer at -20.0° C will outcome in a final temperature of 5.0° C for the drink?
If the atmospheric pressure is 755 mmHg, explain how high (inmmH2O) is the column of water in the tube (d of Hg =13.5 g/mL; d of H2O = 1.00 g/mL)? A long glass tube, sealed at one end, has an inner diameter of 10.0mm.
An LC circuit consists of a capacitance of 30 µF and an inductance of 15 mH. AT time t = 0 the charge on the capacitor is around 10 µC and the current is 20 mA. The utmost charge on the capacitor is:
The cup is inside a perfectly insulated calorimetric container which prevents heat flow with the outside environment. Determine the final temperature (in °C) of the water after equilibrium is arrived.
The formal charge for the H atoms is 0 for the hydronium atom, H3O+. The formal charge is +1 for the O atom. However, O is the most electronegative atom in hydronium.
The light of wavelength 671 nm is incident on the double slit. The angle among the central bright fringe and the second dark fringe is 4.90°. Find out the separation d of the slits.
What will be the resulting temperature of the water in °C if 14.5 kJ of heat are added to a 39.6 g ice cube at (-5.12)°C? When the specific heat capacity of water = 4.18 J K-1 g-1, ice = 2.09 J K-1g-1, latent heat of fusion = 6.01 kJ m
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