Ask question

Ask question

All categories

2 years ago

15

What is the density of a 5 mL sample of 1.95g of Gold

1 answer:

insens350 [35]2 years ago

7 0

Answer:

density=mass/volume

=1.95/5 = 0.39 g(mL)-¹

You might be interested in

The equation for the formation of water from its elements, h2(g) + o2(g)  h2o(l), can be "balanced" by changing the formula of

ANTONII [103]

You can’t have 2 oxygens

5 0

2 years ago

Are all sets of political views correct?

s2008m [1.1K]

Nope. They can be averaged.

3 0

2 years ago

Read 2 more answers

Examine the reaction C 3 H 8 +5O2—>3CO 2 +4H 2 O. If the reaction starts with 2.5g C 3 H 8 what is the theoretical yield of w

Travka [436]

Answer:

Theoretical yield = 4.09 g water.

75% yield = 3.07g water.

Explanation:

C3H8 + 5O2 ---> 3CO2 + 4H2O

Using atomic masses:

(12 *3 + 8 * 1.008) g C3H8 yield (theoretically) (4* (2*1.008 + 16) g water

44.06g C3H8 yields 72.06g water

So 2.5 g yields (72.06/44.06) * 2.5

= 4.09 g water.

If the yield is 75% then it is 4.09 * 0.75

= 3.07 g water.

8 0

2 years ago

Read 2 more answers

11. How many elements do all the "P" orbital span (go across) in each period? (circle your answer)

bulgar [2K]

Answer: B

can u pls give me brain list?

8 0

1 year ago

If the density of tin is 7.26g/cm.what is the thickness of a peace of tin foil that measures 5.00cm by 5.00cm and has a mas of 2

Setler [38]

We know that

Density = mass / volume

And volume = L*W*H (thickness)

First calculate the volume of foil as follows:

Density = mass / volume

Volume = mass / density

= 2.722 g/ 7.26 g/ cm^3

= 0.375 cm^3

And volume = = L*W*H (thickness)

0.375 cm^3 = 5cm*5 cm * thickness

Thickness = 0.015 cm

5 0

2 years ago