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At 1 atm, how much energy is required to heat 73.0 g of H2O(s) at -20.0 °C to H2O(g) at 133.0 °C?
you are given a fixed quantity of h2o gas with p 35 mp a and t 450c. find the specific volume using both a the ig
Write the balanced equation for the following reactions. Use only the following descriptions: neutralization, precipitation, gaseous, combustion, synthesis, single displacement or decomposition
A student is concentrating a solution having a polypeptide of modest molecular weight by pressure filtration through a membrane. The solute concentration on the feed side of the membrane is 0.10 M and the temperature is twenty five degree celsius.
at 665 degc keq is 0.234 for the following reaction4as bg ?2cs dgif b gas at 0.221 bar is injected into a container
Draw the structural formula of an alkane that has eight carbons and only primary hydrogens.
Question- Hydrogen has an electronegativity value between boron and carbon and identical to phosphorus. With this in mind, rank the following bonds in order of decreasing polarity. Use the appropriate symbol to separate substances in the list.
It required 16ml of a sodium hydroxide solution titrated against a standard solution of 0.79g of potassium hydrogen phthalate in water to reach equivalence point. What is the molarity of the sodium hydroxide?
If it is Ionic, mention which is the cation and which is the anion. Discuss how the ions formed (gaining or losing electrons and how many). If it is covalent, discuss where the covalent bonds are and draw the structure.
The equilibrium constant Kc is 0.0025 at 2127 degree Celsius. If an equilibrium mixture at this temperature contains 0.023 mole N2 and 0.031 mole O2, what is the concentration of NO
a saturated solution was formed when 4.40times10-2 l of argon at a pressure of 1.0 atm and temperature of 25 degrees c
Calculate the pH of the 0.20 M NH3/0.24 M NH4Cl buffer. B)What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 55.0 mL of the buffer?
a 0.8159 g of khp was placed in a 50ml volumetric flask and the sample was thoroughly dissolved in water to make 50ml
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