3 years ago

1. The following equation represents the reaction between sodium and water.

Chemistry

1 answer:

artcher [175]3 years ago

8 0

Option C an oxidant only

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Consider the nuclear equation below. Superscript 235 subscript 92 upper U right arrow superscript 4 subscript 2 upper H e. What

Leto [7]

Answer: The nuclide symbol of X is $^{231}_{90}\textrm{Th}$

Explanation:

The given nuclear reaction is a type of alpha decay process. In this process, the nucleus decays by releasing an alpha particle. The mass number of the nucleus is reduced by 4 units and atomic number is also decreased by 2 units. The particle released is a helium nucleus.

The general equation representing alpha decay process is:

$_{Z}^{A}\textrm{X}\rightarrow _{Z-2}^{A-4}\textrm{Y}+_2^4\textrm{He}$

For the given equation :

$^{235}_{92}\textrm{U}\rightarrow ^{A}_{Z}\textrm{X}+^4_2\textrm{He}$

As the atomic number and mass number must be equal on both sides of the nuclear equation:

$^{235}_{92}\textrm{U}\rightarrow ^{231}_{90}\textrm{Th}+^4_2\textrm{He}$

Thus the nuclide symbol of X is $^{231}_{90}\textrm{Th}$

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3 years ago

Hey!!!! Hru? 13(4)+8(78)=x

Svetllana [295]

Answer:

x=676

Explanation:

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Kaylis [27]

Answer:

static electricity

Explanation:

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The movement of one or more from one reactant to another is called

mrs_skeptik [129]

Answer: Redox Reaction

Explanation:

Redox reaction is the key chemical events in an oxidation-reduction also called Redox. It is the net movement of electrons from one reactants to another

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Which kind of nuclear decay does not alter the identity of the atom?

PtichkaEL [24]

For alpha and beta decay it does because the proton number changes.
During gamma, there is no change of identity, just energy

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