3 years ago

Heat 22.6 g of titanium from 1420oC to 1590oC

Chemistry

1 answer:

Sauron [17]3 years ago

5 0

Answer:

Explanation:

(22.6g)(.52J/gC)(170C)

eliminate the respective variables

and you will only have Joules left

multiply it all

u get 1997.84

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How would the boiling point of water be affected if you doubled the amount of water?

Flauer [41]

Answer:

The boiling point wouldn´t be effected. The amount of time it would take to get it to that point would increase

Explanation:

8 0

3 years ago

For the reaction: 2H2O2 --> 2H2 + 2O2, what is the total number of moles of O2 produced from the complete decomposition of 8

Softa [21]

2 H₂O₂ --> 2 H₂ + 2 O₂

2 moles H₂O₂ ------> 2 moles O₂
8 moles H₂O₂ ------> ?

moles O₂ = 8 x 2 / 2

moles O₂ = 16 / 2

= 8 moles

Answer C

hope this helps!

4 0

2 years ago

A sample of PCl5(g) was placed in an otherwise empty flask at an initial pressure of 0.500 atm and a temperature above 500 K. Ov

tia_tia [17]

Answer:

Kp = 0.81666

Explanation:

Pressure of PCl₅ = 0.500 atm

Considering the ICE table for the equilibrium as:

PCl₅ (g) ⇔ PCl₃ (g) + Cl₂ (g)

t = o 0.500

t = eq -x x x

--------------------------------------------- --------------------------

Moles at eq: 0.500-x x x

Given the pressure of PCl₅ at equilibrium = 0.150 atm

Thus, 0.500 - x = 0.150

x = 0.350 atm

The expression for the equilibrium constant is:

$K_p=\frac {P_{PCl_3}P_{[Cl_2}}{P_{PCl_5}}$

So,

$K_p=\frac{x^2}{0.500-x}$

x = 0.350 atm

Thus,

$K_p=\frac{{0.350}^2}{0.500-0.350}$

7 0

3 years ago

I need help with this question!!

s2008m [1.1K]

Answer:

Fossil fuels..........

3 0

2 years ago

Are the answers correct? if not please help fix them

Serggg [28]

Answer:

Looks like they're all right

8 0

2 years ago