Written Assignment 7: Energy and Thermochemistry Answer all assigned questions and problems, and show all work. 1. Consider this reaction: 2CH3OH(l) + 3O2(g) → 4H2O(l) + 2CO2(g) ∆H = –1452.8 kJ/mol a. Is this reaction endothermic or exothermic? (2 points) b. What is the value of ∆H if the equation is multiplied […]
Pre-Lab Exercise Intermolecular Forces 40.0 cm 30.0 cm 20.0 cm 10.0 cm 0.0 cm F– Cl– Br– I– Unk Halides in 80% acetone 1. Determine the Rf value for the Cl– ion in 80% acetone. 2. Which halide ions are […]
Week 5 | Discussion – Essential Amino Acids Read page 563: Chemistry Link to Health: Essential Amino Acids, in your text. What are some of the natural sources of amino acids? Do amino acid supplements effectively provide the amino acids our body needs? Are they as effective as the natural sources that God gave us?
1. The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 × 1014 Hz. (a) Calculate the wavelength, in nm, associated with this radiation, and (b) calculate the energy, in joules, of a single photon associated with this frequency. (8 […]
1. The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 × 1014 Hz. (a) Calculate the wavelength, in nm, associated with this radiation, and (b) calculate the energy, in joules, of a single photon associated with this frequency. (8 […]
1. The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 × 1014 Hz. (a) Calculate the wavelength, in nm, associated with this radiation, and (b) calculate the energy, in joules, of a single photon associated with this frequency. (8 […]
1. The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 × 1014 Hz. (a) Calculate the wavelength, in nm, associated with this radiation, and (b) calculate the energy, in joules, of a single photon associated with this frequency. (8 […]
Proteins are essential components of the cell membrane. Using the textbook and credible online research, write a 350-500-word summary of membrane proteins (e.g., ion channel, 7-membrane, and receptors) that includes descriptions of intrinsic/integral and the role of hydro philic/phobic side chains. There should be a minimum of two references in addition to the textbook. APA […]
Iron (III) carbonate, when heated, decomposes ito iron (III) oxide and carbon dioxide. 1Fe2(CO3)3->1Fe2O3+3CO2 What mas of iron (III) carbonate is needed…
The homework has 27 Q’s . the first four I have solved them already so from Q : 5 up to 27 answers is what I need.So 23 questions total . also the home work should be done in 5 hours tops no more than that . it is not that long and simple. I […]
