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2 years ago

Energy transformation of a kettle?

Chemistry

2 answers:

Vika [28.1K]2 years ago

8 0

Explanation:

<h3><em>Energy transformation of a kettle?</em></h3><h3><em>Energy transformation of a kettle?=⟩Electrical energy into heat energy.</em></h3>

<h3><em>hope </em><em>it</em><em> is</em><em> helpful</em><em> to</em><em> </em><em>you </em><em>☺️</em><em>❣️</em><em>❇️</em><em>✌️</em><em>☪️</em><em>☺️</em></h3>

zubka84 [21]2 years ago

6 0

Explanation:

<h3>Electrical energy into heat energy..</h3>

<h2>hope it helps.</h2><h2>stay safe healthy and happy...</h2>

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can someone please explain me electronic arrangement of different elements please tomorrow is my paper i neEd help ASAP !!!!!!!

NNADVOKAT [17]

Answer:

This list of electron configurations of elements contains all the elements in increasing order of atomic number.

To save room, the configurations are in noble gas shorthand. This means part of the electron configuration has been replaced with the element symbol of the noble gas symbol. Look up the electronic configuration of that noble gas and include that value before the rest of the configuration.

Explanation:

hope this help

8 0

2 years ago

Consider the following reaction between mercury(II) chloride and oxalate ion.

Alina [70]

<u>Answer:</u> The rate law of the reaction is $\text{Rate}=k[HgCl_2][C_2O_4^{2-}]^2$

<u>Explanation:</u>

Rate law is defined as the expression which expresses the rate of the reaction in terms of molar concentration of the reactants with each term raised to the power their stoichiometric coefficient of that reactant in the balanced chemical equation.

For the given chemical equation:

$2 HgCl_2(aq.)+C_2O_4^{2-}(aq.)\rightarrow 2Cl^-(aq.)+2CO_2(g)+Hg_2Cl_2(s)$

Rate law expression for the reaction:

$\text{Rate}=k[HgCl_2]^a[C_2O_4^{2-}]^b$

where,

a = order with respect to $HgCl_2$

b = order with respect to $C_2O_4^{2-}$

Expression for rate law for first observation:

$3.2\times 10^{-5}=k(0.164)^a(0.15)^b$ ....(1)

Expression for rate law for second observation:

$2.9\times 10^{-4}=k(0.164)^a(0.45)^b$ ....(2)

Expression for rate law for third observation:

$1.4\times 10^{-4}=k(0.082)^a(0.45)^b$ ....(3)

Expression for rate law for fourth observation:

$4.8\times 10^{-5}=k(0.246)^a(0.15)^b$ ....(4)

Dividing 2 from 1, we get:

$\frac{2.9\times 10^{-4}}{3.2\times 10^{-5}}=\frac{(0.164)^a(0.45)^b}{(0.164)^a(0.15)^b}\\\\9=3^b\\b=2$

Dividing 2 from 3, we get:

$\frac{2.9\times 10^{-4}}{1.4\times 10^{-4}}=\frac{(0.164)^a(0.45)^b}{(0.082)^a(0.45)^b}\\\\2=2^a\\a=1$

Thus, the rate law becomes:

$\text{Rate}=k[HgCl_2]^1[C_2O_4^{2-}]^2$

3 0

2 years ago

A Balanced Equation: The total amount of atoms involved in the chemical reaction changes depending on the reaction. True or fals

Stells [14]

False is the answer

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5 0

3 years ago

Read 2 more answers

A period of the life cycle during which positive nitrogen balance is most likely to occur is:__________

NemiM [27]

The period of the life cycle during which positive nitrogen balance is most likely to occur is childhood.

<h3>What is nitrogen balance?</h3>

The term nitrogen balance refers to the fact that there is a balance between the intake and the loss of nitrogen. The intake of nitrogen occurs when a person takes in food that contain proteins which are a rich source of nitrogen in the body and helps in the process of the build up of the cells in the body.

The period of the life cycle during which positive nitrogen balance is most likely to occur is childhood.

Learn more about nitrogen balance:brainly.com/question/14570903

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4 0

1 year ago

Two objects, both at 285 Kelvin, are placed closely together. Because they are both at a high temperature, heat will transfer be

skad [1K]

False, because heat travels from warm to cool objects, so if both have the same temp ( ie: no temp difference) heat will not be transferred between them.

3 0

3 years ago