Explain concentration of braium ion ba2 in solution
A 20.0-milliliter sample of .200-molar K2CO3 solution is added to 30.0 milliliters of .400-molar Ba(NO3)2 solution. barium carbonate percipitates. the concentration of braium ion, Ba2+, in solution after reaction is what?
Expected delivery within 24 Hours
Find the corresponding reaction enthalpy and estimate the standard enthalpy of formation of the compound at 583 K. The constant-pressure molar heat capacity of benzene is 136.1 J K-1 mol-1 in its liquid range and 81.67 J K-1 mol-1 as a gas.
The specific heat of compound A is 0.50 cal/g °C. What amount of heat has been added to 100.0 g of compound A if the temperature changes by 5.0°C?
A resistance coil AB of 100 Ω resistance is to be used as a potentiometer and is connected to a supply at 230 V. Find, by calculation, the position of a tapping point C between A and B such that a current of 2 A will flow in a resistance
Electrons can be used to probe the arrangement of atoms on a solid surface if the wavelength of the electrons is comparable with the spacing between the atoms. Which of the following electron velocities would be appropriate for use in this applica
A 20.0-milliliter sample of .200-molar K2CO3 solution is added to 30.0 milliliters of .400-molar Ba(NO3)2 solution. barium carbonate percipitates.
The runner-up in a road race is given a reward that depends on the difference between his time and the winner's time. He is given 20 dollars for being one minute behind.
Predicting Membrane Protein Topology from Sequence You have cloned the gene for a human erythrocyte protein, which you suspect is a membrane protein.
When 31 g of phosphorus reacts with oxygen gas, 71 g of an oxide of phosphorus is the product. What mass of oxygen gas is needed to produce 13 g of this product? (2 significant figures).
Write four balanced equations for the reactions to separate and recover m-nitroanilin, benzoic acid, and naphthalene. Write out the full structures.
1938849
Questions Asked
3,689
Active Tutors
1436853
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem: A highly resistant antibiotic strain of S. aureus would reproduce BEST in: the presence or absence of antibiotic.
Question: Which of the following eukaryotic microorganisms is always multicellular?
The feature you choose must be geology-based so you can explain the geology behind the feature (do not choose non-geology,
Which lobes of the brain is Katie currently using to recognize her father's face?
A group of field biologists are studying butterflies around a local pond to estimate population size. On the first day, they capture 500 butterflies,
A small population of white-footed mice has the same intrinsic per-capita rate of increase (r) as another large population.
What is the most likely mode of inheritance for the genetic condition in this family? Question options