Skipperbouy2003 Skipperbouy2003

19-09-2016
Chemistry

contestada

Why do some metals loose their shine overtime but gold does not?

Respuesta :

faehicks faehicks

19-09-2016

Becuase gold is very unreactive and does not react with oxygen whereas other metals do, therefore they tarnish and gold does not

Answer Link

Otras preguntas

Name one of the main industries that provided employment for large numbers of African-Americans in the south after 1877.

A teacher offers 8 extra credit assignments.what is the domain of this graph

Letter to editor / Editorial pieceYou can either agree or disagree but must be a response to the editor.

17. What is the value of the expression 2a + 5b + 3c for a = 12, b = 6, and C=3? A 10 B 21 C49 D 63

3 features of gas exchange surfaces.

What is the sum of the polynomials? (6x+7+x2)+(2x2-3) -x^2 +6x+4, 3x^2 +6x+4, 9x+4, 9x^2 +4

who were marathas? what effect did they have on aurangzabs empire

Which process, in order, would be necessary for this sequence of the rock cycle: rock → metamorphic rock → igneous rock Heat and pressure → melting → cooling

For a pipe system with a pump (pumping uphill), the change in elevation is 400 feet and the total head loss is 408.5 feet. Assuming gage pressure at the entranc

Suppose that a randomly generated list of numbers from 0 to 9 is being used to simulate an event that has a probability of success of 80%. Which of these groups