Concentration of iron
If 5.00 ml of a solution containing .0400 M iron is placed in a 100.0 ml volumetric flask and filled to the mark with deionized water, what will be the concentration of iron in this new solution?
Expected delivery within 24 Hours
The heat capacity of a bomb calorimeter is found to be 5.68 kJ/oC. When a 1.652 g sample of glucose is burned in the calorimeter, the temperature of the calorimeter increases from 24.56 oC to 29.10 oC.
Avogadro's number is big. If you had 6.02 x 1023 dollars, and could spend it at 1 billion (109) per second for your entire life ( 75 years), what approximate percentage of your original money would you have left?
Explain how this model can be used to reduce the number of dangling bonds from 49 (unreconstructed) to 19 (constructed). B. Explain the origin of the name dimer adatom stacking fault.
Calculate the pH of a buffer solution obtained by mixing 400.0 mL of 0.200 M acetic acid solution and 100.0 mL of a 0.300 M sodium hydroxide solution.(The pKa of Acitic Acid, CH3OOH is 4.74)
In the reaction between potassium carbonate and calcium nitrate (balanced eq: K2CO3 + Ca(NO3)2--> K2(NO3)2 + CaCO3), why wouldn't ...--->2KNO3 +CaCO3 be right?
A 45- piece of ice at 0 is added to a sample of water at 12. All of the ice melts and the temperature of the water decreases to 0 .
In a reaction 82.00 g of sodium reacts with 74.00g of ferric oxide to form sodium oxide and iron metal. calculate the mass of solid iron produced.
An “A” group metal (M) reacts with chlorine and oxygen to form ionic compounds with the formulas MCl4 and MO2. Propose a possible identity for the metal M. Explain your reasoning.
A piece of metal with a mass of 148 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?
If the aluminum block is initially at 25^circ C, what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alc
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What is the difference between administrative and biomedical ethical issues? (2 paragraphs-including in-text citations and references)
How do you think the United States could change the public education system to level playing field and produce better outcomes? How are public schools funded?
Would you consider choosing feminist, solution-focused,or narrative therapies. What empirical evidence is available to support the use of these theories?
What is something you learned today about child's protection that you didn't know before? How will you integrate this new learning into your future role as a So
If the advertisement does not violate any laws, Daniel might think the testimony Ms Kunies makes is not honest. Ms Kunies posted on facebook
Identify any current advertisement for alcohol or another drug. Which group or groups is it targeting? What message do you think could used to counter this ad?
The Japanese invasion of Manchuria and Italy's occupation in Abyssinia (Ethiopia) were challenges to the restrictions established by the League of Nations.