3. What letter interval represents a solid-liquid equilibrium?

A gas has a volume of 50.0 cm3 at a temperature of - 73°C. What volume would the gas occupy at a temperature of - 123°C if the pressure stays constant? f 5.0 cm3 g 3.75 cm3 h 37.5 cm3 j 50.0 cm3

How would you respond to roger? a. roger is incorrect. the melting wax is a physical change but there is no chemical change taking place. b. roger is correct. lighting the match is a chemical change and burning the candles is a physical change. c.

4fe (s) + 3o2 (g) →2fe2o3 (s) how many grams of Fe2O3 are produced when 12.0 of iron rusts

Write the empirical formula of at least four binary compounds that could be formed from the following Mg2+ Pb4+ F- S2-

Most reactions speed up when - a. the temperature decreases b. equilibrium is achieved c. the concentration of the products increases d. the reactant is in small pieces.

Which factors affect electronegativity? A. Number of electrons and atomic radius B. Number of unshielded electrons and density of the element C. Atomic radius and number of unshielded protons D. Density of the element and atomic radius

What is the difference between an amide and an amine? And what is a substituted amide?

Balance the following chemical equation: / text{CH}_ 4 + CH 4 + start text, C, H, end text, start subscript, 4, end subscript, plus / text{O}_ 2 / rightarrow 2 →start text, O, end text, start subscript, 2, end subscript, right arrow / text{CO}_2 +

How did the invention of the spectroscope in 1859 change the science of chemistry

Will zinc and sodium carbonate react?