Finding out the final temperature of the mixture
25.0 mL of ethanol (density = 0.789 g/mL) initially at 7.4°C is mixed with 32.1 mL of water (density = 1.0 g/mL) initially at 25.3°C in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?
Expected delivery within 24 Hours
A student placed 14.5 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.- mark on the neck of the flask was reached. The flask was then shaken until the
what concentration of x would be required for the transmittance to be increased by a factor of 3 when a factor of 3 when a 1.00-cm cell was used?
How to connect two n channel mosfet and then how we can measure the surface potential between its common drain point?
Determine the work done by a 1-lb fluid system as it expands slowly within a piston-cylinder arrangement from an initial pressure and volume of 80 psia.
Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What percent (by moles) of He is present in a helium-oxygen mixture having a density of 0.508g/L at 25C and 721mmHg?
The solubility of barium carbonate,BaCO3, is .0100 g/L . Its molar mass is 197.6. What is the Ksp of barium carbonate?
Bromothymol blue is a common acid-base indicator. It has a Ka equal to 1.6 X 10^-7. Its unionized form is yellow and its conjugate base is blue. What color would a solution have at pH=5.8?
Ozone reacts with nitric oxide discharged from jet planes to form oxygen gas and nitrogen dioxide. 0.740g of ozone react with 0.670g of nitric oxide. Determine the identity and quantity of the reactant supplied in excess.
1942790
Questions Asked
3,689
Active Tutors
1424329
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Describe the differences between a board of nursing and a professional nurse association. Describe the board for your specific region/area.
Are government administrative efforts in aiding the homeless more or less effective than those of nonprofit organizations?
What is your personal response to the following buildings? Look at the links for the following buildings and write brief answers to the questions below
When crafting a protagonist for your fiction piece, what aspect do you find most challenging to make compelling and relatable to your audience?
Create an integrated physical activity for a classroom setting (non-gymnasium). Discuss what classroom curriculum this will cover
What are meta-theories? List the assumptions of the nature of humans. Briefly describe the maturational meta-theory. What about your personal experiences makes
Discuss its pathophysiology, including contributing factors and underlying mechanisms. Propose health promotion strategies to prevent or manage this condition.