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dmitriy555 [2]
2 years ago
14

How many moles are equivalent to 300.0 grams of Uranium?

Chemistry
1 answer:
Sveta_85 [38]2 years ago
8 0

Answer:

There are 1.260 moles for every 300.0 grams of Uranium

Explanation:

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Which one of the following will change the value of an equilibrium constant?
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Answer:

(E) changing temperature

Explanation:

Consider the following reversible balanced reaction:

aA+bB⇋cC+dD

If we know the molar concentrations of each of the reaction species, we can find the value of Kc using the relationship:

Kc = ([C]^c * [D]^d) / ([A]^a * [B]^b)

where:

[C] and [D] are the concentrations of the products in the equilibrium; [A] and [B] reagent concentrations in equilibrium; already; b; c and d are the stoichiometric coefficients of the balanced equation. Concentrations are commonly expressed in molarity, which has units of moles / 1

There are some important things to remember when calculating Kc:

-  <em>Kc is a constant for a specific reaction at a specific temperature</em>. If you change the reaction temperature, then Kc also changes

- Pure solids and liquids, including solvents, are not considered for equilibrium expression.

- The reaction must be balanced with the written coefficients as the minimum possible integer value in order to obtain the correct value of Kc

8 0
3 years ago
What is the frequency of light that has an energy of 3.98 x 10-18 J
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This is what i have found i hope this helps

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2 years ago
What is the wave speed if the wave length is 8 and the frequency is 20
PilotLPTM [1.2K]

Answer:

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What’s the reaction type of aqueous magnesium sulfate + aqueous sodium carbonate?
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Explanation:

Double displacement reaction is defined as the reaction where exchange of ions takes place.

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The chemical reaction between aqueous magnesium sulfate and aqueous sodium carbonate is represented as:

MgSO_4(aq)+Na_2CO_3(aq)\rightarrow Na_2SO_4(aq)+MgCO_3(s)

8 0
2 years ago
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