Explain why is it important to fill the burette
Explain why is it important to fill the burette with the NaOH solution before performing a acid/base titration, and discuss what effect does that have on the determination of the Ka of the acid?
Expected delivery within 24 Hours
Determine the molecular weight of an unknown gas if 200 mL of this gas diffuses through an apparatus in 180 seconds while the 250 mL of NO2 under the same conditions diffuses through the same apparatus in 170 seconds?
Assuming no heat is lost to the surroundings, what is the temperature of the water and the metal? 40grams of a certain metal at 98 degrees Celsius was placed into the 80mL of water at 297K. Where the specific heat of the metal = 0.085 cal
Explain how long would it take in seconds to increase the temperature of the water from 12.0oC to41.5oC when a bowl of 345 g of water is placed in a microwave oven that puts out the 766 watts (J/s).
What is the final temperature when 121 mL water at the 30.°C is mixed with 63 mL water at the 84°C? Assume that no heat is lost to the surroundings and that the density of water is 1.00 g/mL.
Calculate the approximate sample mean, sample variance, sample standard deviation, sample median, and sample mode from the data in the following frequency distribution:
The combustion analysis of toluene, a common organic solvent, forms the 0.00137g of H2O and 0.00586g of CO2. If the compound contains only hydrogen and carbon, determine the molecular formula when the molecular mass is 92g/mol.
Hydrogen gas,H2(g) and the Carbon dioxide gas, CO2 (g), are brought together in a vessel and heated to1565oC. At this temperature they react to produce the water, H2O(g) and the carbon monoxide oxide, CO(g). Explain, are the reactants or the
Determine the numbers of electrons will aluminum gain or lose when it forms an ion? Write down a concise paragraph explaining what is meant by the "diagonal effect" and explain how it can be accounted for.
1943235
Questions Asked
3,689
Active Tutors
1443105
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which activity is most likely to use the nonoxidative energy system? Multiple choice question.
Aerobic exercises and high-intensity interval training increase Blank______ capacity, which is linked to a reduced risk of disease and increased longevity
Triage and Casualty Mitigation: Outline triage procedures and prioritization. - Define the role of surgical technologists during triage
Question: What is the main focus of the management and treatment of COPD?
Question: Which of the following clinical presentations are typical for emphysema?
As a nurse, what is your worldview of the "right to healthcare" informed by the scholarly evidence and your professional role?
Problem: A pregnant patient presents with vaginal pruritus, vagina discharge, and dysuria.