Law to estimate the molar mass of the element
The specific heat of an unknown metal is found to be 0.233 j kg. The law of dulong and petit predicts a molar heat capacity of J/K mol. Use this law to estimate the molar mass of the element.
Expected delivery within 24 Hours
Calculate the mass of silver chloride and dihydrogen monosulfide (H2S) formed when 85.6g of silver sulfide reacts with excess hydrochloric acid.
You need to make an aqueous solution of 0.180 M sodium sulfate for an experiment in lab, using a 250 mL volumetric flask. How much solid sodium sulfate should you add ?
Calculate the molecular mass of the nonionic solutes: 8.02 g of solute in 861 g of water lower the freezing point to -0.430 degrees C.
Which of the following reaction mechanisms proceeds with inversion of configuration at a stereogenic center?
You performed these reactions in an acidic solution (diluting with 0.1M HNO3). This is because iron forms an insoluble hydroxide ion (i.e. even in slightly acidic solutions).
3.60 g of liquid methanol, CH3OH, is placed in an empty 20.0 L container at 45.0°C. If the volume of the container is compressed to 1.40 L at 45.0°C, how many grams of vapor are present?
Charles flew the balloon for fifteen miles and stayed in the air for a total flight time of 45 mins. the balloon was made of silk coated with a thin layer of natural rubber and had a diameter of 27ft.
Compare the rates of effusion for oxygen molecules as compared to hydroge molecules. which will effuse faster, and by how much?
A mixture of gases with a pressure of 800.0 mm hg contains 60% nitrogne and 40% oxygen by volume. what is the partial pressure of oxygen in this mixture?
A compound is 40.0% C , 6.70% H, and 53.3% O by mass. Assume that we have a 100.-g sample of this compound. The molecular formula mass of this compound is 240 amu. What are the subscripts in the actual molecular formula?
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Why was the Church resistant to change? What was the Council of Trent? What was its purpose? What results did the Council of Trent produce?
What are some of the cultural barriers you might encounter when you are completing screenings and assessments?
Explain how you can improve your practice and achieve your professional goals by reading article about practice or attending trainings and continuing education.
The Japanese invasion of Manchuria and Italy's occupation in Abyssinia (Ethiopia) were challenges to the restrictions established by the League of Nations.
If the advertisement does not violate any laws, Daniel might think the testimony Ms Kunies makes is not honest. Ms Kunies posted on facebook
What is the legacy of The Prince? What and who did The Prince influence in history? How is it regarded today? What is its lasting impact?
Would you consider choosing feminist, solution-focused,or narrative therapies. What empirical evidence is available to support the use of these theories?