mariemorales1116 mariemorales1116

03-06-2018
Chemistry

contestada

Samuel adds a teaspoon of salt to a glass of water. He notices that the salt disappears.whar kind of change has occured

Respuesta :

ComDest ComDest

03-06-2018

Dissolving salt into water is a physical change. The salt is still salt & the water is still water. Nothing new is made. Although the salt is dissolved into the water & makes it salty, they are still two different entities.

Hope that helps!

Answer Link

Otras preguntas

The 4s in 305,444. Help need this by tomorrow

Which type of bonds are formed in the synthesis of a protein's primary structure?

A buffer contains 0.010 mol of lactic acid (pka = 3.86) and 0.050 mol sodium lactate per liter of aqueous solution. a. Calculate the ph of this buffer.

2+ the absolute value of X -3 is greater than 2/9

Because organisms are made primarily of water, they resist rapid temperature changes. This useful quality is based on water's _____. See concept 3.2 (page)

What happened to the first africans brought to jamestown in 1619?

write the fraction as a decimal.1/8

In september, seattle's daily high temperature has a mean of 70 °f and a standard deviation of 7 °f. What are the mean, standard deviation, and variance in °c?

Which information would the reader know if the mother were the narrator? Select each correct answer. details of the planning discussions about a women voters

a car of mass 1,000 kilograms is moving initially at the speed of 22 meters/second. when the brakes are applied, it takes the car 3.0 seconds to stop. what is t