Determining the specific heat of the metal
When a metal at a higher temperature is transferred to water at a lower temperature, heat is inevitably lost to the calorimeter. Will this unmeasured heat loss increase or decrease the calculated value of the specific heat of the metal? Explain.
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Calculate the pH of each of the following solutions. Calculate the pH after .020 mol NaOH is added to 1.00 L of each of the four solutions in question 1
The volume of sea water displaced by the plastic block is 3.35 cm3. Assuming the density of the sea water is 1.025 g/mL, what is the density of the plastic?
In an experiment, 201 mL of wet H2 is collected over water at 27 °C and a barometric pressure of 733 torr. The vapor pressure of water at 27 °C is 26.74 torr.
A gaseous mixture of rm O_2 and rm N_2 contains 31.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 745 mmHg?
Organic reactions can be classified as substitutions, eliminations or additions and the reagents can be classified as electrophiles, nucleophiles or radicals.
The equation shows the combustion of butane (C4H10). How many moles of water can be produced by 12.5 moles of C4H10 with excess oxygen?
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 720. mL at 25.0 oC and a barometric pressure of 755 torr. What would the volume of the oxygen be at
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How does EDTA react with soap. i know it reacts with sodium by replacing some of the hydrogens of the hydroxyl groups with sodium ions but would it attach to a soap molecule.
If the open-tube manometer in the figure below contains a nonvolatile silicone oil (density = 1.30 g/cm3) instead of mercury (density = 13.6 g/cm3), what are the pressures in the flask as shown in parts a and b in torr, atmospheres, and pascals? (
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: Dr. Hicks shares some guidance when communicating complex scientific regulations to an audience that she has found successful.
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