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Sonbull [250]
2 years ago
11

Competition for resources within an elk herd living in a national park can become severe. What

Chemistry
1 answer:
harkovskaia [24]2 years ago
6 0
High popularity density
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PLS HELP-CHEMISTRY: What is the molar concentration of an ammonia solution in which there are 0.1557 grams
harina [27]

Answer: M = 0.036 M

Explanation: Solution attached:

First convert mass of NH3 to moles

Next convert volume in mL to L

Use the formula for Molarity

M = n / L

4 0
3 years ago
I need some help please
Norma-Jean [14]

Answer:

the first one to the third box

the second one to the fourth box

the third one to second box

and the fourth one to the first box

Explanation:

5 0
3 years ago
The volume of 1.20 lol of gas at 61.3 kPa and 25.0 degree Celsius is
aniked [119]

Answer:

V = 48.5 L

Explanation:

Converting °C to K and kPa to atm

T = 25.0°C + 273.15 = 298.15 K

P = 61.3 kPa × (1 atm / 101.325 kPa) = 0.60498 atm

Calculating the volume of gas

V = nRT / P

V = (1.20 mol)(0.082057 L•atm/mol•K)(298.15 K) / 0.60498 atm

V = 48.5 L

4 0
2 years ago
How is a joule defined?
andreyandreev [35.5K]

Answer:

A. It is the work done when a force of 1 newton is applied to an object for a distance of 1 meter

Explanation:

5 0
3 years ago
In a calorimetry experiment, a salt is dissolved in water within an insulating container. The temperature of the solution (surro
Stels [109]

Answer:

Explanation:

heat released  by the solution

= 120 x 3.18 x ( 25 - 14 )

= 4197.6 J

= 4.1976 kJ

This is the heat gain by the salt

so enthalpy change = +  4.1976 kJ

because there is increase  in enthalpy

It is endothermic process .

7 0
3 years ago
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