What happens when atoms of uranium split apart __?

Answers

Answer 1

Answer: a large amount of heat comes out as E= m c^2

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11x + 1312x+6 Solve for x
Planck's constant relates the Joules of energy absorbed/released by matter to the:A. atomic number of the element B. observed wavelength of light C. speed of lightD. mass of the particulate matter

In chemical reactions, atoms area. created.
c. rearranged.
b. destroyed.
d. neutralized.

Answers

In chemical reaction, atomsalways are rearranged. They are never destroyed or created because it wouldcontradict the law of conservation of energy. The law of conservation of energystates that a matter cannot be created nor destroyed. It can only be formed inone way or the other. Also it cannot be neutralized. Resulting in one cannot bepart of a chemical reaction. An example of this is the reaction HCl + NaOH-> NaCl + H2O. the reactants and products are not created, they are justformed into another substance.

Final answer:

In chemical reactions, atoms are rearranged to form new substances.

Explanation:

In chemical reactions, atoms are rearranged.

Atoms are the fundamental building blocks of matter, and they cannot be created or destroyed in a chemical reaction. Instead, the atoms that make up the reactants rearrange themselves to form the products of the reaction.

For example, in the reaction between hydrogen gas (H2) and oxygen gas (O2) to form water (H2O), the atoms in the hydrogen and oxygen gases rearrange to form the water molecules. Thus we can correctly predict the arrangement of atoms as described above.

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2. Explain how conduction, convection and radiation all contribute to heating the Earth'ssurface and atmosphere.

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Answer: Conduction, radiation and convection all play a role in moving heat between Earth's surface and the atmosphere. Since air is a poor conductor, most energy transfer by conduction occurs right near Earth's surface. ... During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction.

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What volume of oxygen gas is released at STP if 10.0 g of potassium chlorate is decomposed? (The molar mass of KClO3 is 122.55 g/mol.)

Answers

Given:

10g of potassium chlorate decomposed

STP

molar mass of KClO3 is 122.55 g/mol

Required:

Volume of oxygen gas

Solution:

The decomposition reaction is

2KClO3 → 2KCl + 3O2

Moles of O2 = 10g KClO3 (1 mol KClO3/122.55 g/mol KClO3)(3 moles O2/2 moles KClO3) = 15 moles O2

Using ideal gas law: PV = nRT

PV = nRT

V = nRT/P

V = (15 moles O2)(0.08206 L-atm/mol-K)(273K)/1 atm

V = 336.04 L O2

Write a balanced equation for the complete combustion of glucose (c6h12o6). oxygen gas is the other reactant in this combustion reaction. the products are co2 and h2o. write a balanced skeleton equation for this reaction.

Answers

Skeleton equation $C_6H_12O_6 + O_2$ → $CO_2 + H_2O$

Balanced equation $C_6H_12O_6 + 6O_2$ → $6CO_2 + H_2O$

What is a balanced chemical equation?

A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products.

Skeleton equation -A skeletal chemical equation is a representation of a chemical reaction using chemical formulae of reactants and products.

Skeleton equation $C_6H_12O_6 + O_2$ → $CO_2 + H_2O$

Balanced equation-A balanced chemical equation tells you the amounts of reactants and products needed to satisfy the Law of Conservation of Mass.

Balanced equation $C_6H_12O_6 + 6O_2$ → $6CO_2 + H_2O$

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skeleton equation C6H12O6 + O2 -----> CO2 + H2O
balanced equation C6H12O6 + 6O2 -----> 6CO2 + 6 H2O

In the following reaction, how many liters of carbon dioxide will be produced if 250 liters of oxygen is used in the combustion of sucrose, given that both gases are at STP

Answers

The balanced reaction would be:

C12H22O11 + 12O2 = 12CO2 + 11H2O

We are given the amount of oxygen used in the combustion. This will be the starting point of our calculation. We use the ideal gas equation to find for the number of moles.

n = PV / RT = 1.00(250 L) / (0.08206 atm L/mol K ) 273 K
n= 11.16 mol O2

11.16 mol O2 (12 mol CO2 / 12 mol O2) = 11.16 mol CO2

V = nRT/P =11.16 mol CO2 x 273 K x 0.08206 atm L/mol K / 1 atm
V=250 L

Absolute proof about the origin of a crater on the moon or the "star of Bethlehem" cannot be determinedusing the scientific method.
True
False

Answers

Correct Answer: TRUE

The other answer is incorrect, I just did the assignment and got it right.

your answer is False love!

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This problem has been solved!See the answerNaCl is an ionic solid. The Na+ and Cl− ions in NaCl are bonded through an electrostatic force of attraction commonly known as the ionic bond. Water is a polar solvent. The oxygen atom, being more electronegative, attracts the electron cloud toward itself. As the electron cloud is pulled by the oxygen atom, it carries a partial negative charge, and the hydrogen atoms carry a partial positive charge. This partial separation of charges in the water molecule makes it polar. Predict which intermolecular forces contribute the most to the dissolution of NaCl in water. Check all that apply.a. Ion-ion forcesb. Ion-dipole forcesc. Dipole-dipole forcesd. Hydrogen bondingSuppose that NaCl is added to hexane (C6H14) instead of water. Which of the following intermolecular forces will exist in the system?a. Ion-dipole force between Na+ ions and a hexane moleculeb. Ion-ion force between Na+ and Cl− ionsc. Dipole-dipole force between two hexane moleculesd. Hydrogen bonding between Na+ ions and a hexane moleculee. London dispersion force between two hexane molecules

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