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Question- If 100.0mL water of at 50.0C is added to 100.0 mL of water at 20.0C. What temperature would the mixture of water reach? Assume the system is perfectly sealed and no heat is lost to the calorimeter or to the outside environment?
Please take care to reply the question as mark are evenly granted for each point
Write down a net ionic equation for any reaction that forms a precipitate and discover the anions that make gas upon adding of hydrochloric acid
When the external pressure on a balloon is decreased at constant temperature, what happens to the gas inside. A) The collisions become more elastic. B) the gas undergoes no changes.
neither the vsepr model nor the hybridization model is able to account for the experimental observation that the f-ba-f
what is the molarity molality weight percent and ppm of naclmw58.4 gmol when 100g of this compound is dissolved in
If oxygen gas were collected over water at 22 C and the total pressure of the wet gas were 650 mm Hg, what would be the partial pressure of the oxygen?
The following processes occur in an internal combustion engine. For which one is the entropy change negative
An electric power station annually burns 3.6 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP
Problem- A reaction vessel contains 10.0g of CO and 10.0g of O2 how many grams of CO2 could be produced according to the equation; 2CO + O2 - 2CO2
1 calculate the masses of cano32 x4h2os and kio3s required tomake 10 g of caio32s. calculate the amount of cano32
I don't understand don't we draw a lewis structure first and add 2 lone pairs to complete the octet making it a tetrahedral. how does it only have 3 covalent bonds
The emf of a cell made of a Zn anode and hydrogen cathode immersed in 0.5M ZnCl2 is +0.590V. What is the pH of the solution
What is being asked? Using the values of the effective molar absorptivities you determined from your slopes and the values of the absorption you obtained for the mixture at the spectral maxima of 434 nm and 618 nm
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