Determine the final temperature assume that no heat is lost
When at 30. °C the 121 mL water is mixed with the 63 mL water at 84°C, determine the final temperature assume that no heat is lost to the surroundings and that the density of water is 1.00 g/mL.
Expected delivery within 24 Hours
Determine the concentration of the Na2S2O3 solution if the 36.30 mL of a0.1100 M I2 solution react exactly with a 100.0 mL sample of the Na2S2O3 solution.
A 1.345-g sample of a compound of oxygen and barium was dissolved in the hydrochloric acid to give a solution of barium ion, which was then precipitated with an excess of potassium chromate to give the barium chromate, BaCrO4 which is having 2.012
Suppose a sodium hydroxide solution is usually standardized by titrating a pure sample of potassium hydrogen phthalate (KHP), an acid with one acidic hydrogen and a molar mass of 204.22 g. It takes 36.04 mL of a sodium hydroxide solution to titrat
What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol =2.42 J/g·K) if a 26.3 g sample of ethylene glycol, a car radiator coolant, loses 692 J of heat.
Sodium chlorate decomposes to produce the oxygen and sodium chloride gas at the elevated temperatures. A sample of impure sodium chlorate which is having 0.8765 g was heated until the production of oxygen gas ceased.
A sample of an unknown acid which is having 2.20 g (empirical formula = C3H4O3) is dissolved in the 1.0 L of water. A titration needed the 25.0 mL of 0.500 M NaOH to react totally with all the acid present.
Determine the activation energy for the decomposition of O2 by the reverse reaction if the activation energy for the reaction O +O3 ®2O2 is 25 kJ/mol, and the enthalpy change is DH =-388 kJ/mol.
Determine the numbers of minutes are needed for the 20% of a sample of cyclopropane to isomerize to the propene? At 700 K, the rate constant for the following reaction is 6.2 ´10-4min1
1959359
Questions Asked
3,689
Active Tutors
1459163
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Read the excerpt from Pat Mora's essay "The Leader in the Mirror." I hoped that most of the students were going to enroll in college.
It's currently just an idea, but you've been tapped to lead the cross-functional team that will investigate that idea.
Audio and verbal communications can influence hiring by amplifying biases related to speech, accents, and socioeconomic status.
1. How do the ACA and ASCA ethical standards address self-care? 2. How do you plan to maintain a healthy balance between your professional and personal life?
Your client expresses emotional or physical attraction toward you, and you have similar feelings for your client.
Describe the difference between crossing boundaries and violating boundaries.
What are some prominent social norms in your assigned country? Is conformity more common and expected in that country? Please provide examples.