03-07-2017
Chemistry

contestada

que cambios son fisicos y cuales son quimicos??
a) quemar papel
b) limpiar objetos de plata
c) hacer hielo en el congelador
d) fundir hierro

Respuesta :

haywil27 haywil27

03-07-2017

A, b, y c son cambios físicos. D es un cambio químico.

Answer Link

Otras preguntas

What number needs to be added to complete the square of x2 – 3x = 7?

An 8 by 2 arrangement of 16 labels fills one sheet of paper. How many sheets are needed for 1,488 labels? A. 744 B. 186 C. 149 D. 93

Suppose John opens a savings account with $1,000 that compounds interest daily. The APR at the time John deposits the account is 3.5%. He makes no withdrawals o

pi is an irrational number. could pi = 22/7? why or why not?

Which fossil fuel is made mostly of methane?

Most carbohydrates and biological molecules are hydrophilic. what chemical property is shared by lipids

Proteins and carbohydrates perform various functions in the body. They are needed for the proper development and growth of the body. Breaking carbohydrates into

What is the pathway of the stimulus from one neuron to the next?

Which choice (s) when rounded to the nearest hundred thousand will result in 600,000?

Write this scientific notation in standard form. 3x10^-3