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iris [78.8K]
3 years ago
8

What makes silver and gold different by using the terms atom and element

Physics
1 answer:
djyliett [7]3 years ago
8 0
Silver is classified as a <span>precious metal.

Where Gold is classified as </span><span>transition metal.

Silver has about 47 protons and Gold has way more- about 79 protons.</span>
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Please help on this one?
Maru [420]
The correct answer for this problem is c
3 0
3 years ago
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The volume of an object as a function of time is calculated by v = At3+B÷t where t is time measured in seconds and v is in cubic
madam [21]

Answer:

A = m³/s³ = [L]³/[T]³ = [L³T⁻³]

B = m³s = [L³T]

Explanation:

We have the equation:

V = At³ + B/t

where, the dimensions of each variable are as follows:

V = m³ = [L]³

t = s = [T]

substituting these in equation, we get:

m³ = A(s)³ + B/s

for the homogeneity of the equation:

A(s)³ = m³

<u>A = m³/s³ = [L]³/[T]³ = [L³T⁻³]</u>

Also,

B/s = m³

<u>B = m³s = [L³T]</u>

3 0
3 years ago
What is the most commonly used method of food preservation today? refrigeration drying foods smoking raw meats salt curing
dmitriy555 [2]
Refrigerator was what is commonly used today. We do dry foods and salt cure but that is not done on a daily basis
6 0
3 years ago
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Explain why radiation is dangerous to humans
tia_tia [17]
Radiation damages the cells that make up the human body, it can even cause cancer
7 0
3 years ago
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A voltmeter was used to check the coolant and a reading of 0.2 volt with the engine off was measured. A reading of 0.8 volt was
Julli [10]

Answer:

C. Technician B

Explanation:

Excessive Galvanic activity:

To check for excessive galvanic activity, voltmeter is used to check the coolant. If the voltmeter is giving a reading greater than 0.5 V, there is excessive galvanic activity. Excessive galvanic activity is solved by flushing the coolant fluid from engine and refiling it.

Electrolysis problem:

When the system is not properly ground, the cooling system accepts stray current and the coolant becomes an electrolyte which might eat up the radiator. To test for excessive electrolysis, start the engine and turn on all electrical accessories, if the reading is more than 0.5 V, there is electrolysis problem. Ground wires and connections should be checked at this point to stop stray current.

In our case, the first reading is 0.2 V(engine turned off) which is normal and there is no excessive galvanic activity. This means that Technician A is not correct. The second reading is 0.8 V when the engine and all electrical accessories are turned on. This reading is greater than 0.5 V which means there is an electrolysis problem. This means that Technician B is correct and ground wires and connections should be inspected and repaired.

7 0
3 years ago
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