Ask question

Ask question

All categories

3 years ago

15

How many moles of lithium nitrate will be needed to make 250 grams of lithium sulfate, assuming that you have an excess of lead

(iv sulfate to do the reaction?

1 answer:

frez [133]3 years ago

4 0

The answer would be 313 g

You might be interested in

What quantity of heat is transferred when a 150.0g block of iron metal is heated from 25.0°C to 73.3°C? What is the direction of

s344n2d4d5 [400]

The direction of heat flow is increased which means blocks temperature is higher and hotter than it was before

3 0

2 years ago

Help would be much appreciated, I'm being timed<br> I'll mark brainliest !!

Vitek1552 [10]

Group 17

Please brainliesttt

7 0

3 years ago

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 8.10kg of water at 33.9 degree

lions [1.4K]

Answer:

The new temperature of the water bath 32.0°C.

Explanation:

Mass of water in water bath ,m= 8.10 kg = 8100 g ( 1kg = 1000g)

Initial temperature of the water = $T_1=33.9^oC=33.9+273K=306.9 K$

Final temperature of the water = $T_2$

Specific heat capacity of water under these conditions = c = 4.18 J/gK

Amount of energy lost by water = -Q = -69.0 kJ = -69.0 × 1000 J

( 1kJ=1000 J)

$Q=m\times c\times \Delta T=m\times c\times (T_2-T_1)$

$-69.0\times 1000 J=8100 g\times 4.18 J/g K\times (T_2-306.9 K)$

$-69,000.0 J=8100 g\times 4.18 J/g K\times (T_2-306.9 K)$

$T_2=304.86 K=304.86 -273^oC=31.86^oC\approx 32.0^oC$

The new temperature of the water bath 32.0°C.

5 0

3 years ago

The density of atmosphere (measured in kilograms/meter3) on a certain planet is found to decrease as altitude increases (as meas

Paha777 [63]

The density at 1,291 km from the surface of the planet is

[ (1,291 - planet's radius)/(planet's radius) ] ^ some power .

7 0

3 years ago

How do you find the scientific notation of a Avogadro's number??

ruslelena [56]

Answer: ummmmmm hmmmmm

Explanation:

8 0

3 years ago