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how many grams of NaOH are needed to react with two moles of H2SO4
1. 4 answers
2. asked by erika
3. 1,513 views
the mass percent of a solution prepared by dissolving 0.500 moll KCL ( Molar mass = 74.6 g) in 850 g of water is ?
1. 4 answers
2. asked by ogb
3. 947 views
can anyone help with Unit 5 Sample Work Assignment Chemical Reaction Systems pls (:
1. 5 answers
2. asked by david
3. 848 views
how does the atmosphere change at high altitudes?Since this is not my area of expertise, I searched Google under the key words
1. 1 answer
2. asked by sam
3. 464 views
what are examples of polymersin daily life
1. 1 answer
2. asked by shubhhi
3. 314 views
An alcohol has an OH functionality in it. Do you expect it to be a base? why?
1. 1 answer
2. asked by Geeker
3. 301 views
alculate the molar solubility of Ca(OH)2 at 50 Celsius. it is not the average of the 0 Celsius and 100 Celsius solubilities; why
1. 3 answers
2. asked by elia
3. 835 views
whats the densty of an object with a mass 5.5 grams and a volume of 3 ml
1. 1 answer
2. asked by mikel
3. 340 views
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 11.0 of luminol into a total
1. 3 answers
2. asked by Anonymous
3. 766 views
suppose that "element a" has a valence number of 3 and "element b" has a valence number of 2. if the two elements combine, then
1. 2 answers
2. asked by jake
3. 699 views
how many grams of O2 will it take to Oxidize 88 grams of C3H8 to CO and H2O
1. 2 answers
2. asked by kevin
3. 530 views
For the reaction to generate 2‐phosphoglycerate (2PG) from 3‐phosphoglycerate (3PG, ΔG = 0.83 kJ/mol; ΔGo’ = 4.4 kJ/mol.
1. 1 answer
2. asked by sara please help
3. 411 views
what is the chemical reaction for the equilibrium that the haber process manipulates
1. 1 answer
2. asked by rebecca
3. 344 views
what pressure is exerted by 0.30 mole of CL2 in a 4.00L container at 20 degree C ?
1. 2 answers
2. asked by ogb
3. 705 views
in a solution of pH of 3.26, the molar concentration of the hydronium ion is ?
1. 2 answers
2. asked by ogb
3. 544 views
A student dissolves 196 g of H3PO4 (Molar mass = 98 g) in enough water to make one liter of solution. The molarity of the
1. 3 answers
2. asked by ogb
3. 798 views
How many milliliters of 4.00M NaOH wll react with 100 mL of 0.312 M H2SO4?
1. 1 answer
2. asked by ogb
3. 367 views
A gas occupied 224 L at 25 c . At what temperature would this gas occupy 164 liters pressure constants
1. 3 answers
2. asked by ogb
3. 792 views
Cr + Sn2+help me balance
1. 3 answers
2. asked by dug
3. 992 views
How many grams of (NH4)2S2O3 were in the fertilizer sample
1. 2 answers
2. asked by dug
3. 939 views
How much heat, in joules and calories, is needed to heat up 295 mL of water from 26.6 °C to 85.1 °C? Assume the density of
1. 2 answers
2. asked by dug
3. 575 views
you have 2.00kg of KCL dissolved in 0.600L of H2O what is the percent solution of KCL(w/v)?
1. 1 answer
2. asked by tracy
3. 313 views
Give me a process for preparing an inorganic dye in school lab.
1. 1 answer
2. asked by kawal
3. 265 views
can you help me in elements and compounds?
1. 1 answer
2. asked by spandana
3. 439 views
What is the molar concentration of a solution of sulfuric acid, H2SO4, if 4.64 mL react completely with 0.644 g of NaOH which
1. 4 answers
2. asked by johny
3. 603 views
at 20 degree Celsius, 65.2 g of KBr will dissolve in 100 g of water. what is the mass percent of KBr in water ?
1. 2 answers
2. asked by alex
3. 671 views
a balloon contains 3.86 L of argon at a temperature of 45 Celsius, what would the volume at 80 celsius
1. 1 answer
2. asked by Anonymous
3. 347 views
What is the equilibrium constant for thereaction taking place at room temperature (T = 25◦C) in the battery Zn(s)| Zn2+(aq)||
1. 4 answers
2. asked by John
3. 1,541 views
you have pond that has become too acidic from acid rain for survival of you fish what kind of chemical could you add to the
1. 1 answer
2. asked by abshir
3. 336 views
Discuss the isomerism exhibited by alkenes
1. 1 answer
2. asked by c
3. 405 views
explain the progress of the reaction in terms of kinetic energyexplain how various factor affect the rate of reaction
1. 1 answer
2. asked by jake
3. 437 views

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