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2 years ago

If you have 3.54 g of H2, how many grams of NH3 can be produced?

1 answer:

5 0

3.54g H2 means you have 3.54 / 2 = 1.77 moles of H2, which means you have 1.77*2 = 3.54 moles of H atom.

Since 1 mole of NH3 has 3 moles of H, so you can produce 3.54 / 3 moles of NH3, which is (3.54/3) * (12+3) = 17.7 grams

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Nutritional biochemists have known for decades that acidic foods cooked in cast-iron cookware can supply significant amounts of

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The number of ferrous ions present in jar are 3.1x 10^21.

<h3>Steps</h3>

Since we have 737 g, 5,896 servings are generated.

If one serving contains 49 mg of iron, then one can contains 49*5,896 mg of iron.

In other words, if made in a cast-iron pot, one jar of tomato sauce has 288,9 mg of iron.

The number of ferrous ions present in jar are 3.1x 10^21.

<h3>What exactly does nutritional biochemistry mean?</h3>

Nutritional biochemistry is the study of nutrition as a science that deals with physiology, medicine, microbiology, pharmacology, chemistry, and biology and uses these sciences for the investigation of health, diet, and nutrition as well as the research of disease and the administration of medications.

<h3>What does nutritional biochemistry teach you?</h3>

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1 year ago

Sodium thiosulfate, na2s2o3, is used as a "fixer" in black and white photography. identify the reducing agent in the reaction of

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Answer is: reducin agent in this reaction is thiosulfate (S₂O₃²⁻).
Balanced chemical reaction: 2S₂O₃²⁻(aq) + I₂(aq) → S₄O₆²⁻(aq) + 2I⁻<span>(aq).
Reducing agent is element or compound who loose electrons in chemical reaction. Sulfur in </span>thiosulfate change oxidation number from +2 to +5 tetrathionate anion (two<span> sulfur </span>atoms in the ion have oxidation state<span> 0 and two atoms have oxidation state +5).</span>

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3 years ago

Reactant → product

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If we have two gram produce 2 grams were consumed

Due to the mass conversation law which state that the mass in a isolated is neither created nor destroyed by chemical reaction or physical transformation. Therefore the mass of the product must be equal to the mass reactant

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2 years ago

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Babies cry when they are hungry or thirsty. When they cry their parents usually respond, go to and pick up the baby, and give hi

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Answer: imprintingmyspacebarsnotworkinglol

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2 years ago

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Three blocks are shown: Block A has mass 2 kilograms, length 5 centimeters, height 2 centimeters, and width 1 centimeter. Block

katrin2010 [14]

The correct answer to the question is: The density of Block A is equal to the density of Block B.

The density of an object is defined as the mass per unit volume of the object. Mathematically, it is expressed as:

<h3>Density = mass / volume </h3>

To know which option is correct, we shall determine the density of block A, B and C.

<h3>For Block A:</h3>

Mass of A = 2 Kg

Length = 5 cm

Height = 2 cm

Width = 1 cm

<h3>Volume = Length × Width × Height</h3>

Volume = 5 × 1 × 2

Volume of A = 10 cm³

<h3>Density of A =?</h3>

Density = mass / volume

Density = 2 / 10

<h3>Density of A = 0.2 Kg/cm³</h3>

<h3>For Block B:</h3>

Mass of B = 2 Kg

Length = 1 cm

Height = 5 cm

Width = 2 cm

<h3>Volume = Length × Width × Height</h3>

Volume = 1 × 2 × 5

Volume of B = 10 cm³

<h3>Density of B =?</h3>

Density = mass / volume

Density = 2 / 10

<h3>Density of B = 0.2 Kg/cm³</h3>

<h3>For Block C:</h3>

Mass of C = 3 Kg

Length = 5 cm

Height = 1 cm

Width = 2 cm

<h3>Volume = Length × Width × Height</h3>

Volume = 5 × 2 × 1

Volume of C = 10 cm³

<h3>Density of C =?</h3>

Density = mass / volume

Density = 3 / 10

<h3>Density of C = 0.3 Kg/cm³</h3>

<h3>SUMMARY</h3>

Density of A = 0.2 Kg/cm³

Density of B = 0.2 Kg/cm³

Density of C = 0.3 Kg/cm³

From the above calculations, we obtained the following:

1. The density of block A and B are equal.

2. Block C has the highest density.

Thus, the correct statement is: The density of Block A is equal to the density of Block B.

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2 years ago