Ceamus Angelina

This page lists questions and answers that were posted by visitors named Ceamus Angelina.

Questions

The following questions were asked by visitors named Ceamus Angelina.

Carbon dioxide gas and liquid water form solid glucose (C6H12O6) and oxygen gas during photosynthesis. Chlorophyll absorbs light in the 600-700 nm region. a) Write a balanced thermochemical equation for the formation of 1.00 mol of glucose. ... I know tha...
7 years ago
What is the element whose d sublevel is filled and its highest energy electron has the set of quantum numbers: n=4, l=0, ml=0, ms=+1/2
7 years ago
What is the Period 4 element with highest energy level filled. My answer is Kr, but I'm not entirely sure. Is this correct?
7 years ago
What is the period 3 element whose 2+ ion is isoelectronic with neon? How can I find the solution? Thanks
7 years ago
What is the period 6 element that forms a 4+ ion with a pseudo-noble gas configuration? How can I find the solution? Thanks
7 years ago
What is the element that forms a 3+ ion with electron configuration [Ar] 3d^6? I know that [Ar] 3d^6 is Fe, but how can I find an element that forms the 3+ ion? Thanks
7 years ago
What is the element whose 4+ cation has the following set of quantum numbers, n=3, l=2, ml=0, and m.s=+1/2 for its highest energy electron? I know, based on the quantum numbers, that its referring to a 3d sublevel. How can I find the solution? Thanks
7 years ago
What is the element whose 2+ cation's highest energy electron has the following set of quantum numbers, n=5, l=2, ml=1, and m.s=+1/2 for its highest energy electron? I know, based on the quantum numbers, that its referring to a 5d sublevel. Is it Ba? How...
7 years ago
What is the smallest metal in Group 4A? Is it Carbon?
7 years ago
What is the shortest possible wavelength for a line in the Balmer series?
7 years ago
Calculate the longest wavelength that a line in the Balmer series could have.
7 years ago
Assign n_hi for each line in the Balmer series of a hydrogen atom.
7 years ago
Which rule of probability is used for mutually exclusive outcomes?
7 years ago
Which technique or device is used to determine probabilities of allele combinations in offspring?
7 years ago
How many alleles for a specific gene can any single gamete contain?
7 years ago
A metal forms an oxide with the general formula MO2 with a deltaHf=-580.7 kJ/mol. Using the Born-Harber Cycle and the following information, determine lattice energy for the compound. Metal Information: deltaHsubl=302 kJ/mol, IE1=708.6 kJ/mol, IE2=1412 kJ...
7 years ago
Why can you not use human DNA polymerase when you perform PCR?
7 years ago
Consider the following properties of a particular substance: melting point: -7.2 degrees C boiling point: 58.8 degrees C heat of fusion: 10.571 kJ/mol specific heat of the solid: 87.4 J/mol degrees C specific heat of the gas: 40.0 J/mol degrees C specific...
7 years ago
A volatile liquid sample is placed in an Erlenmeyer flask that has been sealed except for a tiny hole that allows vapor to escape. Upon heating, the liquid is converted to vapor that fills the flask. Cooling the flask allows the vapor to condense back to...
7 years ago
A solid nonelectrolyte with a mass of 11.32g is dissolved in 115.00g of water. The observed freezing point of the solution is-3.44 degrees C. Given Kf of water=1.86 degrees C/m, what is the molar mass of the unknown solid?
7 years ago
An aqueous sodium salt (NaCnH2n+1O3) solution has an osmotic pressure of 2.041 atm when 1.068 g of the salt are dissolved in 200. g of water at 25 degrees C. Assuming molality and molarity in such a dilute solution are the same and that the sodium salt is...
7 years ago
What is the chemical reaction for: The oxidation of 2-pentanol
7 years ago
What is the chemical reaction for: The reaction of bromine with 2-pentene
7 years ago
What is the chemical reaction for: The reaction of phenol and 1-propanol
7 years ago
What makes genre analysis an important intellectual exercise?
7 years ago
Determine a possible Lewis Structure for each of the two compounds X and Y, given the following information: Compound X contains only carbon, hydrogen, and oxygen. It is heated in a 1.00 liter flask to 160. degrees C and 1.00 atm until all of it has vapor...
7 years ago
Compound Y+ K2Cr2O7 ---> C6H12O2 What is compound Y?
7 years ago
Consider the decomposition reaction: AB(g)-->A(g)+B(g). The rate law for the reaction is: rate=k[AB]^2, where k=0.00846 M^-1 min^-1. After 5.25 hours, what is the percent of AB that decomposed if the initial concentration is 2.00 M?
7 years ago
The following reactions is a first order reaction with respect to nitrite ion and its rate constant is 0.0030/s. In a solution that is 10.0 M NO2-, what is the half-life of the reaction? NH4+ + NO2- -->N2 + 2H2O
7 years ago
The half-life of the following first order reaction is 231 seconds. What percent of the original concentration of nitrite ion remains after 10.0 minutes? NH4+ + NO2- --> N2 + 2H2O
7 years ago
Radioactive iodine-131 decays (beta emitter) to form Xenon-131. Iodine-131 has a half-life of 8.07 days. If a thyroid gland absorbed 20.0 microcuries of I-131 today, how many microcuries would remain after 30.0 days. Microcuries are disintegrations per se...
7 years ago
The rate constant for the rxn of hydrogen reacting with iodine to form hydrogen iodide is 2.7 X 10^-4 L/mol*s at 600. K and 3.5 X 10^-3 L/mol*s at 650. K. a) determine the activation energy for this reaction. b) determine the rate constant at 700. K
7 years ago
The rate constant for the reaction is 0.710 M–1·s–1 at 200 °C. A ---> products If the initial concentration of A is 0.00390 M, what will be the concentration after 595 s?
7 years ago
A reaction of importance in the formation of smog is that between ozone and nitrogen monoxide described by O3(g)+NO(g) --> O2(g)+NO2(g) The rate law for this reaction is: rate=k[O3][NO] Given that k = 2.87 × 106 M–1·s–1 at a certain temperature, calculate...
7 years ago
Consider the hypothetical reaction: A + B + heat ⇌ C + D (All species are in the gaseous phase) What will happen to the concentration of A, B, C, and D under each of the following conditions? a) A catalyst is added to the system, which is at equilibrium b...
7 years ago
Consider the equilibrium: H2O(l) + HC2H3O2 ⇌ H3O+ + C2H3O2- ( All species are aqueous) Why will the addition of NaOH to a solution of acetic acid cause the concentration of the acetate ion to increase?
7 years ago
At 1200 K a gaseous mixture contains 0.30 moles of carbon monoxide, 0.10 moles of hydrogen, 0.20 moles of water vapor and 0.059 moles of methane in a 1.00 liter container. Determine whether or not equilibrium has been reached for the following reaction: C...
7 years ago
Phosphorus pentachloride reacts to form phosphorus trichloride and chlorine gas when heated. A 2.00 liter vessel contains 0.020 moles of phosphorus trichloride and chlorine at equilibrium. How many moles of phosphorus pentachloride are present? Kc=0.0415
7 years ago

Answers

The following answers were posted by visitors named Ceamus Angelina.