Average atomic mass of m
When M2S3 is heated in air, it is converted to MO2. A 4.000g sample of M2S3 shows a decrease in mass of .277 g when it is heated in air. What is the average atomic mass of M?
Expected delivery within 24 Hours
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?
Student placed 18.5 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.- mark on the neck of the flask was reached. The flask was then shaken until the s
if 500g of potassium chlorate solid decomposes and produces 303g of potassium chloride solid, how many grams of oxygen gas are produced?
What is the PH change of a 0.270M solution of Citric Acid (pKa = 4.77) if citrate is added to a concentration of 0.145M with no change in volume?
A test tube containing a mixture of KCl, KClO3, and MnO2 having a total weight of 23.584 g was heated to compose the KClO3. After heating, the mass was found to be 22.347 g. a) How many moles of oxygen gas were evolved?
What are some differences and similiarities in the type of inhibition caused by heat, acid or base, and heavy metal ions on enzyme activity?
A buffer solution is prepared by adding 15.0 g NaC2H3O2 and 12.5 g acetic acid (C2H4O2) to enough water to make 500.0 ml of solution. What is the pH of the buffer solution? [pKa of acetic acid is 4.77]
What can you conclude about the reaction from the influence of temperature on the equilibrium. What can you conclude from the influence of increasing the volume.
1939973
Questions Asked
3,689
Active Tutors
1421515
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
1. Exploring the concept of sexual health and its key components which define it 2. Reflecting on the fundamental epidemiological questions
Which of the following rights is applicable to the Soldier across all stages of the Medical Evaluation Board (MEB) and Physical Evaluation Board (PEB)
Problem: 34-year-old female is diagnosed with hypothyroidism. What should the nurse assess the client for?
Question: Healthcare data carries which of the following inherent challenge(s)(check all that apply):
A 62-year-old female with diabetes and hypertension is concerned about her risk arterial sclerosis which pathophysiological mechanism
A 50-year-old male with chronic kidney disease presents with fatigue and power laboratory test show normal acidic, normal chronic anemia
A 45-year-old female recovering from hip surgery is at increased risk for DVT. What is the most likely pathophysiological explanation for this increase