3 years ago

When U-238 undergoes radioactive decay by losing an alpha particle, the other product is

Chemistry

2 answers:

lianna [129]3 years ago

6 0

The correct answer is Th-234

myrzilka [38]3 years ago

6 0

TH-234 I took the test

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Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for dental and orthopedic use, can be

Sphinxa [80]

Answer:

$P_4_{(I)}+5O_2_{(g)}+6H_2O_{(l)}\rightarrow +4H_3PO_4_{(l)}$

Explanation:

The first step is:

$P_4_{(I)}+5O_2_{(g)}\rightarrow 2P_2O_5_{(g)}$

Second step is:

$P_2O_5_{(g)}+3H_2O_{(l)}\rightarrow 2H_3PO_4_{(l)}$

Multiplying second step by 2, and adding both the steps, we get that:

$P_4_{(I)}+5O_2_{(g)}+2P_2O_5_{(g)}+6H_2O_{(l)}\rightarrow 2P_2O_5_{(g)}+4H_3PO_4_{(l)}$

Cancelling common species, we get that:

$P_4_{(l)}+5O_2_{(g)}+6H_2O_{(l)}\rightarrow +4H_3PO_4_{(l)}$

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3 years ago

Usually hard but brittle<br> Ionic or covalent

aleksandrvk [35]

Answer:

Ionic

Explanation: Ionic compounds tend to be hard and brittle while covalent compounds tend to be softer and more flexible.

Hope this helped!

7 0

3 years ago

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Which of the following is the definition of an open physical system? A. a system that can be affected by the outside environment

sergey [27]

Answer:

A. a system that can be affected by the outside environment, by an exchange of matter or energy

5 0

3 years ago

2 Ag20 →4 Ag + O2 what reaction is this

Schach [20]

Answer:

Decomposition

Explanation:

hope it helps you

6 0

3 years ago

Multiply or divide to find the equivalent fraction.<br><br> 51/120=□/360

jok3333 [9.3K]

Answer

153

Explanation:

51/120 = x/360

51(360) = 120x

18360 = 120x

18360/120x = 120x/120x

153 = x

5 0

3 years ago

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