3. If I wanted to record the weight of an

object, I would use a

measure in

and

O balance; grams

scale; Newtons

spring scale; grams

Teacher: Gaylin Morris,

Class: Hasler 4th Period

Assignment: Processes of Science

The atmosphere contained approximately 115 ppmv of anthropogenic co2 (g) in 2010. if 1 ppmv - co2 (g) is equivalent to 2184.82 tg-c (teragrams, or 1012 g, of atomic carbon), calculate how many metric tonnes of quicklime [cao (s) ] were needed to fix

What type of ions have names ending in ide?

The alkenes are compounds of carbon and hydrogen with the general formula cnh2n. if 0.561 gram of any alkene is burned in excess oxygen, what number of moles of h2o is formed?

Who invented carbon element?

Write the ions present in a solution of na3po4.

A reaction starts with 20.0 grams of lithium hydroxide (LiOH) and produces 31.0 grams of lithium chloride (LiCl), what is the percent yield of lithium chloride (LiCl) ? * LiOH + KCl - LiCl + KOH A) 64.5% B) 88.6% C) 81.5% D) 92.8%

You aren't sure if your pH meter needs to be calibrated, so you put it in a buffer solution that has a known pH of 7. You take four separate readings of the solution with the pH meter. The meter reports the pH as 5.5, 8.6, 6.3, and 9.4.

Can you explain and read this equation 2Mg + 02 - - 2MgO

The label of a gas cylinder has come off in your laboratory. You know that only one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen, or nitrogen.

Give two example of compound that decompose to give off oxgyen gas