Other Chemistry Answers

How many grams of methane gas (CH4) are in a 15.8 liter sample at 1.2 atmospheres and 27°C?

What is the volume of 3.5 moles of oxygen gas (O2) at standard temperature and pressure (STP)?

An iceberg has a volume of 8975 ft^3. What is the mass in kilograms of the iceberg?

1. an aqueous solution has a pH equal to 2.what do you infer about its acidic and basic character?
2.what is the colour of methylorange i.acidic mediumii.basic medium

Hi,

I just want to ask for safety purpose

1. what will happen if lye+vineger were mix together?
2. what will happen if lye+water+vineger were mix together?
3. what will happen if lye+water+oil+vineger were mix together?
4. I want to make sure what will happen will this explode or something?

I'm a soap maker, I'm mixing lye+water+oils to make a soap. the ph is 7

5. how can you lower a ph level of a soap to ph5.5 or ph5?
6. is the vinegar should be added?

Mercury has a density of 13.6g/mL. What is the mass of 4.72L of mercury?

1) You are given a mixture of silver and barium carbonate. Which of the following sequences would enable you to obtain a pure sample of silver.
A Add aqueous sodium chloride, filter and crystalize
B Add aqueous sodium chloride, stir and filter
C Add dilute hydrochloric acid, stir and filter
D Add dilute sulfuric acid, stir and filter.

2) Powdered calcium carbonate is commonly placed in chimneys of coal-buring power stations to remove waste gases. Which waste gas will not be removed by the powdered calcium carbonate
A Sulfur dioxide
B Nitrogen Dioxide
C Carbon monoxide
D Phosphorous(V) oxide
My ans for the 2nd Q is C but I am not sure

What is the molecular weight of the acrylic polymer

What does the equation t=pr/nv stand for?

What is the molarity of a solution if 200. mL of solution contains 5.00 g of Na2CO3?