Some problems I need help with please

[Edgewardb]

Chemisty help please. How to determine greater mass?
The questions are like this.

1. Which has a greater mass one mole of carbon or one mole of chromium?

2. Which has a greater number of atoms, 40.0 grams of calcium or 100.0 grams of gold?

3. A 0.500 mole sample of an unknown metal has a mass of 43.81 grams. What metal is it?

4. Which has a a greater mass, 0.250 moles of mercury or 4.00x10(exponent 23) atoms nickel.


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Asking for people to do your own work is not acceptable

Senior Anandtech Moderator
Common Courtesy

 

[Juked07]

Really? Check your textbook. It's well within your ability to learn on your own.

 

[IronWing]

Take a ride on heavy metal... :music:

 

[BlackTigers]

A

B

B

A

 

[GagHalfrunt]

If you can't figure out really easy stuff like that on your own you deserve the F.

 

[ConstipatedVigilante]

Um, what? These aren't "I can't do the math, I need help" problems. These are "will you do my homework?" questions. Come on, this is high school chemistry - and you're looking at the periodic table for answers, at that.

 

[PottedMeat]

Originally posted by: GagHalfrunt
If you can't figure out really easy stuff like that on your own you deserve the F.

Heh I'd figure it out myself before I'd type the questions off the worksheet (assuming this is paper).

 

[MagnusTheBrewer]

Definition of a mole.

 

[IronWing]

Originally posted by: MagnusTheBrewer
Definition of a mole.

An avocado's weight in some substance, mole being a shortened version of guacamole.

 

[PottedMeat]

Originally posted by: MagnusTheBrewer
Definition of a mole.

4 1/2 cups chicken broth
3 tablespoons olive oil
1 cup finely chopped onion
3 tablespoons chopped garlic
1 teaspoon dried oregano
1 teaspoon ground cumin
1/4 teaspoon ground cinnamon
2 1/2 tablespoons chili powder
3 tablespoons all-purpose flour
2 ounces dark chocolate, chopped (Hershey Special Dark, it has a sweetness that mellows the sauce)

I don't know how to convert 1 unit of that into metal though.

 

[MagnusTheBrewer]

Originally posted by: ironwing

Originally posted by: MagnusTheBrewer
Definition of a mole.

An avocado's weight in some substance, mole being a shortened version of guacamole.

You are my density!

 

[Born2bwire]

Originally posted by: ironwing

Originally posted by: MagnusTheBrewer
Definition of a mole.

An avocado's weight in some substance, mole being a shortened version of guacamole.

I love this forum.

 

[ConstipatedVigilante]

What's an ion?

 

[IronWing]

Originally posted by: ConstipatedVigilante
What's an ion?

It's on your face!

 

[minendo]

Originally posted by: Edgewardb
Chemisty help please. How to determine greater mass?
The questions are like this.

1. Which has a greater mass one mole of carbon or one mole of chromium?

2. Which has a greater number of atoms, 40.0 grams of calcium or 100.0 grams of gold?

3. A 0.500 mole sample of an unknown metal has a mass of 43.81 grams. What metal is it?

4. Which has a a greater mass, 0.250 moles of mercury or 4.00x10(exponent 23) atoms nickel.

Man if you need help with basic math like this you are truly screwed in chemistry.