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beks73 [17]
2 years ago
6

Gravity and magnetism are examples of what?

Chemistry
1 answer:
PSYCHO15rus [73]2 years ago
4 0

Answer:

hyposthesis

Explanation:

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Are my electron configurations correct and if not explain why
Makovka662 [10]
Configuration of carbon is 1s2 2s2 2p2 and the rest of all is correct
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2 years ago
In going from room temperature (25 C) to 10 C above room temperature, the rate of reaction doubles. Calculate the activation ene
Sauron [17]

Answer:

Ea=5.29 × 10⁴ J/mol

Explanation:

In going from 25 °C (298 K) to 35 °C (308 K), the rate of the reaction doubles. Since the rate of the reaction depends on the rate constant (k), this implies that the rate constant doubles. We can find the activation energy (Ea) using the two-point form of the Arrhenius equation.

ln\frac{k_{2}}{k_{1}} =\frac{-Ea}{R} .(\frac{1}{T_{2}}-\frac{1}{T_{1}})\\ln\frac{2k_{1}}{k_{1}}=\frac{-Ea}{8.314J/K.mol}.(\frac{1}{308K}-\frac{1}{298K} )\\Ea=5.29 \times 10^{4} J/mol

8 0
2 years ago
Thea dissolves 0.33 mole of glucose into 450 mL of water. What is the concentration of the solution?
Fofino [41]

Answer:

0.73M

Explanation:

4 0
3 years ago
Why does the pressure inside a container of gas increase?
yan [13]
Pressure is a scientific parameter that allows us to determine the amount of force being exerted per unit area. The increase in the pressure inside a container containing a gas may be brought upon by the decrease in volume, increase in temperature, or merely by additional of more gas molecules. 
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3 years ago
What is a molar solution?
mina [271]

Answer:

Molar concentration is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution. In chemistry, the most commonly used unit for molarity is the number of moles per liter, having the unit symbol mol/L or mol/dm³ in SI unit.

8 0
2 years ago
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