What are the h3o+ and oh- concentrarions
what are the H3O+ and OH- concentrarions in a 125 mL solution prepared with 0.100 mol pf NaOH and water?
Expected delivery within 24 Hours
Assume that a reaction takes place at 295 K and 305 K. What must the activation energy be for the rate constant to double as described?
The two sides of a V-shaped water trough are hinged to each other at the bottom where they meet, as shown in Figure Q1 , making an angle of 45° with the ground from both sides.
Assuming the solution is ideal, calculate the composition of the vapor (in terms of mole fractions) at 25°C. At 25°C, the vapor pressures of pure CH2Cl2 and pure CH2Br2 are 133 and 11.4 torr, respectively.
A certain first-order reactio has a rate constant of 3.60×10-3 at 45 . How many minutes does it take for the concentration of the reactant to drop to 6.25% of the original concentration?
What is the purpose of such an addition? What is the procedure called? Why is the procedure used in this experiment called liquid-liquid extraction?
Two full bottles contain respectively 1.0 kg of potassium nitrate, KNO3, and 1.0 kg of strontium chloride, SrCl2. Which bottle contains the greater number of moles? How many more moles does it contain?
A total of 2.00 mol of a compound is allowed to react in a foam coffee cup that contains 138 g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 C.
A colored substance Z has an absorption maximum at 350 nm. A solution containing 2 mg of Z per liter had an absorbance of 0.850 using a 1 cm cell. The formula weight of Z is 148.
1930969
Questions Asked
3,689
Active Tutors
1447602
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Respond to this post: "Carl Rogers highlighted three important ideas for therapy that include active listening,
Conduct a preliminary library search and identify at least three credible resources to demonstrate the feasibility and significance of a research topic.
Question: How can school systems work together to end the stigma that surrounds an autism diagnosis?
Explain how you will maintain professional boundaries in your field experience. Explain what you will do to ensure appropriate self-disclosure.
In Behaviors and Attitudes for Social Psychology, answer the following questions: How well do our attitudes predict our behavior?
A psycho-physical theory that divides the detection of a sensory signal into a sensory process and a decision making process.
The absolute threshold of sensation uses the lowest level of stimulus that you can detect reliably (sometimes defined as 50% of the time)