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3 years ago

The cyptoplasm in a cell carries out a function similar to a function of which human system

1 answer:

7 0

the answer is your "Blood".
blood carries out the same function in a body organisation as the cytoplasm in a cell.
it carries enzymes, provides hydration, helps in transport of important enzymes,hormones, energy (in the form of glucose/ATP), keeps everything normal & also sends and recieve the important signals from the other sytems for eg:immune sytem,certain receptors & tranformers.

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One reaction involved in the conversion of iron ore to the metal is FeO(s) + CO(g) → Fe(s) + CO2(g) Use Hess’s Law to calculate

Ugo [173]

Answer:

$\delta H_{rxn} = -66.0 \ kJ/mole$

Explanation:

Given that:

$3FeO_3_{(s)}+CO_{(g)} \to 2Fe_3O_4_{(s)} +CO_{2(g)} \ \ \delta H = -47.0 \ kJ/mole -- equation (1) \\ \\ \\ Fe_2O_3_{(s)} +3CO_{(g)} \to 2FE_{(s)} + 3CO_{2(g)} \ \ \delta H = -25.0 \ kJ/mole -- equation (2) \\ \\ \\ Fe_3O_4_{(s)} + CO_{(g)} \to 3FeO_{(s)} + CO_{2(g)} \ \delta H = 19.0 \ kJ/mole -- equation (3)$

From equation (3) , multiplying (-1) with equation (3) and interchanging reactant with the product side; we have:

$3FeO_{(s)} + CO_{2(g)} \to Fe_3O_4_{(s)} + CO_{(g)} \ \delta H = -19.0 \ kJ/mole -- equation (4)$

Multiplying (2) with equation (4) ; we have:

$6FeO_{(s)} + 2CO_{2(g)} \to 2Fe_3O_4_{(s)} + 2CO_{(g)} \ \delta H = -38.0 \ kJ/mole -- equation (5)$

From equation (1) ; multiplying (-1) with equation (1); we have:

$2Fe_3O_4_{(s)} +CO_{2(g)} \to 3FeO_3_{(s)}+CO_{(g)} \ \ \delta H = 47.0 \ kJ/mole -- equation (6)$

From equation (2); multiplying (3) with equation (2); we have:

$3 Fe_2O_3_{(s)} +9CO_{(g)} \to 6FE_{(s)} + 9CO_{2(g)} \ \ \delta H = -75.0 \ kJ/mole -- equation (7)$

Now; Adding up equation (5), (6) & (7) ; we get:

$6FeO_{(s)} + 2CO_{2(g)} \to 2Fe_3O_4_{(s)} + 2CO_{(g)} \ \delta H = -38.0 \ kJ/mole -- equation (5)$

$2Fe_3O_4_{(s)} +CO_{2(g)} \to 3FeO_3_{(s)}+CO_{(g)} \ \ \delta H = 47.0 \ kJ/mole -- equation (6)$

$3 Fe_2O_3_{(s)} +9CO_{(g)} \to 6FE_{(s)} + 9CO_{2(g)} \ \ \delta H = -75.0 \ kJ/mole -- equation (7)$

$FeO \ \ \ + \ \ \ CO \ \ \to \ \ \ \ Fe_{(s)} + \ \ CO_{2(g)} \ \ \ \delta H = - 66.0 \ kJ/mole$

$\delta H_{rxn} = \delta H_1 + \delta H_2 + \delta H_3$ (According to Hess Law)

$\delta H_{rxn} = (-38.0 + 47.0 + (-75.0)) \ kJ/mole$

$\delta H_{rxn} = -66.0 \ kJ/mole$

8 0

3 years ago

This reaction appears to be destroying the logs

Alex_Xolod [135]

What exactly is the question you are asking?

5 0

4 years ago

Using the ideas from this section and the periodic table, choose the more reactive nonmetal.

fiasKO [112]

Explanation:

Oxygen is a more reactive non-metal.

There are several parameters to test how reactive an element is. In this case, we are going to use the electronegativity of the two atoms.

Electronegativity is the relative tendency with which atoms of the element attract valence electrons in a chemical bond.

A high electronegativity value suggests more reactivity and a low value implies low reactivity.

On the Pauling's Eelectronegativity table, Oxygen has a value of 3.5 and Phosphorus has 2.1

It implies that oxygen is a more reactive non-metal compared to phosphorus.

Learn more:

Electronegativity brainly.com/question/11932624

#learnwithBrainly

6 0

3 years ago

When the compound BaCl2 forms , what happens to the Ba and Cl ions

Korvikt [17]

Ba stays as Ba+2 and Cl stays as Cl-

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3 years ago

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Vitek1552 [10]

2C4H10 + 13O2 -> 8CO2 + 10H2O

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