skyisabel1986 skyisabel1986

16-01-2023
Chemistry

contestada

if a molecule with an empirical formula of ch has a molar mass of 39, what is the molecular formula?

Respuesta :

Otras preguntas

A small regional carrier accepted 19 reservations for a particular flight with 17 seats. 14 reservations went to regular customers who will arrive for the fligh

The vertex form of the equation of a parabola is y = = 6(x-2)²-8. What is the standard form of the equation? A. y = 12x2 - 6x + 8 B. y = 6x2 - - 24x + 16 c. y =

Tyrell recently noticed that he was receiving several catalogs and direct mail advertisements than he had in the past even though he had not requested any of th

An aqueous solution contains 0.397 M ammonia. Calculate the pH of the solution after the addition of 4.63 x 10-2 moles of perchloric acid (HClO4) to 250 mL of t

When we carry out a chi-square goodness-of-fit test for a normal distribution, the null hypothesis states that the population:________ a. Does not have a normal

f(x) is a function. 3 5 2 10 15 0 f(x) O A. True O B. False

But the husky is far from uninteresting. As a type of endurance, no better evolved product of natural selection need be sought. If ever a species has been born

How is everyone doing this day?

A solution was prepared by dissolving 195.0 g of KCl in 215 g of water. Calculate the mole fraction of KCl. (The formula weight of KCl is 74.6 g/mol. The formul

Identify the advantages of using 6 tube passes instead of just 2 of the same diameter in shell-and-tube heat exchanger.What are the advantages and disadvantages