Chemistry, 03.02.2021 19:20 goldenrizo
Por favor necesito ayuda, si vas a responder una mejor respóndelas todas
1. Clasificar si es cambio físico una F o químico Q según
corresponda
a. Mezcla de azúcar y agua
b. Digestión de los alimentos
c. La fusión de la cera de una vela
d. La respiración
e. Formación de nubes
f. Combustión de la madera
g. Cuando los átomos se trasforman en iones
h. Cuando se empaña un cristal
i. La maduración de una fruta
j. Limar un pedazo de hierro
Answers: 2
Chemistry, 22.06.2019 01:30
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .
Answers: 3
Chemistry, 22.06.2019 01:30
Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy
Answers: 1
Chemistry, 22.06.2019 04:30
Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.
Answers: 1
Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Por favor necesito ayuda, si vas a responder una mejor respóndelas todas
1. Clasificar si es cambio...
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