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SOVA2 [1]
3 years ago
14

In which block of the period table is chromium found

Chemistry
2 answers:
fiasKO [112]3 years ago
8 0
That should be your answer! hope this helped!

Anon25 [30]3 years ago
4 0
Chromium (Cr) is round in d block
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How many sulfur atoms are present in 25.6 g of Al2(S2O3)3
IgorC [24]

Given the mass of Al_{2}(S_{2}O_{3})_{3}=25.6 g

The molar mass of Al_{2}(S_{2}O_{3})_{3}=390.35g/mol

Converting mass of Al_{2}(S_{2}O_{3})_{3}to moles:

25.6 g Al_{2}(S_{2}O_{3})_{3}*\frac{1molAl_{2}(S_{2}O_{3}}{390.35 gAl_{2}(S_{2}O_{3}} =0.0656molAl_{2}(S_{2}O_{3}

Converting mol Al_{2}(S_{2}O_{3})_{3}to mol S:

0.0656mol Al_{2}(S_{2}O_{3})_{3}*\frac{6molS}{1mol Al_{2}(S_{2}O_{3})_{3}}=0.3936 molS

Converting mol S to atoms of S using Avogadro's number:

1 mol = 6.022*10^{23}atoms

0.3936mol S *\frac{6.022*10^{23}atoms S}{1 mol S}=2.37*10^{23} S atoms

5 0
3 years ago
What do the flames below the pot <br>represent
drek231 [11]

Answer:

That it is cooking the food or whatever you have in the pot.

Explanation:

We are learning this in science.

8 0
3 years ago
Part A When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as
Savatey [412]

Answer:

Receptor

Explanation:

   Neurotransmitters are defined as chemical messengers that carry, stimulate and balance signals between neurons, or nerve cells and other cells in the body.

  After release, the neurotransmitter crosses the synaptic gap and binds to the receptor site on the other neuron, stimulating or inhibiting the receptor neuron depending on what the neurotransmitter is. Neurotransmitters act as a key and the receptor site acts as a block. It takes the right key to open specific locks. If the neurotransmitter is able to function at the receptor site, it will cause changes in the recipient cell.

 The "first-class" neurotransmitter receptors are ligand-activated ion channels, also known as ionotropic receptors. They undergo a change in shape when the neurotransmitter turns on, causing the channel to open. This can be an excitatory or inhibitory effect, depending on the ions that can pass through the channels and their concentrations inside and outside the cell.  Ligand-activated ion channels are large protein complexes. They have certain regions that are binding sites for neurotransmitters, as well as membrane segments to make up the channel.

6 0
3 years ago
Ag(No3)+Na3(Po4)+Ag3(Po4)+Na(No3)
musickatia [10]

3AgNO₃ + Na₃PO₄ → Ag₃PO₄ + 3NaNO₃

Explanation:

                         AgNO₃+Na₃(PO₄) → Ag₃(PO₄) + NaNO₃

To balance this chemical equation, we can adopt a simple mathematical approach through which we can establish simple and solvable algebraic equations.

           aAgNO₃ + bNa₃PO₄ → cAg₃PO₄ + dNaNO₃

a, b, c and d are the coefficients needed to balance the equation.

Conserving Ag:    a = 3c

                     N:      a = d

                     O:       2a + 4b = 4c + 2d

                     Na:      3b = d

                      P:        b = c  

let a = 1; d = 1

    b = \frac{1}{3}

    c = \frac{1}{3}

                         

Multiplying through by 3:

  a = 3, b = 1, c = 1 and d = 3

                3AgNO₃ + Na₃PO₄ → Ag₃PO₄ + 3NaNO₃

Learn more:

Balanced equation   brainly.com/question/5964324

#learnwithBrainly

5 0
3 years ago
Who invented the outomobile? what purpose does it serve? how has it impacted society today?​
Darya [45]

Answer:

the AUTOmobile serves as a way for transport, for people to get from point A to point B, the first person to build the car would be the great Karl Benz, he is German and if you can guess he is known for the expensive high class car Mercedes Benz, the impact the car can be taken as good or bad, for one it influenced the industrial age, but on the other hand it caused alot of polution and waste and when waste, I mean cars sitting around in junkyards not being fixed and taking up space.

Explanation:

my sources are from everywhere and Im sure you could have found verified sources too

3 0
2 years ago
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