Molar mass of a solid Study guides, Class notes & Summaries

Chapter 03 Stoichiometry: Ratios of Combination 1. Calculate the molecular mass of tetraphosphorus decaoxide, P4O10, a corrosive substance which can be used as a drying agent. A. 469.73 amu B. 283.88 amu C. 190.97 amu D. 139.88 amu E. 94.97 amu 2. Calculate the formula mass of rubidium carbonate, Rb2CO3. A. 340.43 amu B. 255.00 amu C. 230.95 amu D. 145.47 amu E. 113.48 amu 3. Calculate the formula mass of (NH4)3AsO4. A. 417.80 amu B. 193.05 amu C. 165.02 amu D. 156.96 amu E. 108.96 a...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

Edexcel iGCSE Chemistry, question and answer with rated solution Experiment for Diffusion? 1) HCl placed at one end of the test tube, ammonia solution at the other. 2) Where they meet, a ring of Ammonium Chloride appears. 3) The diagram shows that the ammonia is closer to the ring, showing that ammonia must have travelled faster, showing it's a lighter gas. Experiment for Dilution? 1) Put a coloured substance in a solvent e.g food colouring in water. 2) Over the time, the colour le...

HESI A2 ENTRANCEEXAM FOR CHAMBERLAINCOLLGE OF NURSING 2023 QUESTIONS WITH ANSWERS CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen isin a compound, what would its oxidation number be? +1 2. What isthe oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the conversion of Celsius to Fah...

Organic chemistry: correct answer: The study of carbon-containing compounds except elemental carbon (diamond, graphite, coal), CO2, CO, carbonates, and cyanides. Inorganic chemistry: correct answer: Studies the elements and everything else. The principle components of food, fuels, wood construction, and clothing are organic compounds. Octet rule: correct answer: A chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each a...

Intermolecular forces and how they affect physical properties /purification techniques: dipole-dipole, electrostatic, hydrogen, ion, london, - Answer-*dipole-dipole*: polar covalent molecules such as aldehydes and ketones. positive and negative end. polar molecules must be close together for force to be significant. weaker than ion-dipole forces; increase with polarity of molecule. *electrostatic*: occur between charged species, cations and anions, and are responsible for very high MP and B...

CHEM 103 Experiment 8 Molecular Mass Latest 100%Solved (Portage Learning). Experiment #: 8 Title: Molecular Mass Purpose: To Determine the Molar mass of unknowns. Molar mass estimation by freezing point depression. Determining the freezing point of the solvent cyclohexane and unknown solutes. Lastly, estimating the molar mass of solutes compared to the actual value. Procedure : Cyclohexane Molar Mass Cooling Curve ● Measure 10 ml of cyclohexane and place it in a test tube. ● Cap the...

1 NSG 6440 Predictor test Typed Pre-Predictor 1) A 15 years old high school student with a mild sore throat and low-grade fever that has persisted for about 3 weeks. She reports general malaise, fatigue, and loss of appetite. The NP suspects mononucleosis. Which of the following is the LEAST appropriate intervention? a. Palpate the lymph nodes and spleen b. Examine the posterior oropharynx for petechiae c. Obtain a CBC, throat culture, and heterophil antibody test. d. Obtain an urina...

Leik - FNP Review Questions and answers, exam predictor questions. Rated A. Which of the following drugs interact with warfarin/coumadin? a. Imodium (loperamide) b. Diltiazem Hydrochloride SR (diltiazem) c. trimethoporim-sulfamethoxazole (Bactrim) d. sumatriptan (Imitrex) - c Sulfa drugs will interact with warfarin (increases the blood level), which results in an elevation of the INR and the risk of bleeding. The following drugs are potent inhibitors of the CYP450 system except:...

CHEM 103 Experiment 8 Molecular Mass Latest 100%Solved (Portage Learning). Experiment #: 8 Title: Molecular Mass Purpose: To Determine the Molar mass of unknowns. Molar mass estimation by freezing point depression. Determining the freezing point of the solvent cyclohexane and unknown solutes. Lastly, estimating the molar mass of solutes compared to the actual value. Procedure : Cyclohexane Molar Mass Cooling Curve ● Measure 10 ml of cyclohexane and place it in a test tube. ● Cap the...