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3 years ago

13

Which of the following best explains how subsoil becomes rich in minerals?

1 answer:

balu736 [363]3 years ago

5 0

The nurse<span> is </span>caring<span> for a </span>client<span> with a temperature of 104.5 degrees Fahrenheit. A health </span>care provider<span> prescribes 500 mg of an antibiotic intravenous While undergoing a soapsuds </span>enema, theclient reports abdominal<span> cramping.</span>

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A substance that is ______ will NOT dissolve in a solvent. A) freezing B) insoluble C) evaporating D) soluble

Alexxandr [17]

Answer:

insoluble

Explanation:

4 0

3 years ago

Read 2 more answers

Grignard reagents are air-and moisture-sensitive. List at least threereactants, solvents, and/or techniques that were utilized i

Evgesh-ka [11]

<h2>Diethylether (DTH) andTetrahydrofuran (THF).</h2>

Explanation:

Grignard reactions reacts with water forming alkanes.
The water present causes the reagent to decompose rapidly.

So, the solvents which are utilized in the experimental procedure to minimize exposure of the grignard reagents to air and/ormoisture are solvents such as anhydrous diethyl ether or tetrahydrofuran(THF), poly(tetramethylene ether) glycol (PTMG).

The reason for the use of these solvents is the oxygen present in these solvents stabilizes the magnesium reagent.

THF (Tetrahydrofuran) is a stable compound.

4 0

4 years ago

What does the answer of element 3Na2S2O3?

Fynjy0 [20]

Answer:

Explanation:

3× 22+2×32+ 6×16=

66+64+96=236

4 0

3 years ago

Tetracycline is called a broad-spectrum antibiotic because it is active against a wide variety of bacteria. how many asymmetric

Solnce55 [7]

It's problably four cause "tetra" is four

5 0

3 years ago

Which of these statements describes this mathematical equation?

salantis [7]

Answer:

The final pressure of a gas is inversely proportional to the volume change and directly proportional to temperature

Explanation:

Given

$\frac{P_1V_1}{T_1} = k$

Required

Interpret

$\frac{P_1V_1}{T_1} = k$

Multiply both sides by T1

$T_1 * \frac{P_1V_1}{T_1} = k * T_1$

$P_1V_1 = kT_1$

Divide both sides by V1

$\frac{P_1V_1}{V_1} = \frac{kT_1}{V_1}$

$P_1 = \frac{kT_1}{V_1}$

This can be rewritten as:

$P_1 = k\frac{T_1}{V_1}$

In the above expression; k is a constant of proportionality.

So, the equation can be written as variation as follows:

$P_1\ \alpha\ \ \frac{T_1}{V_1}$

To interpret:

<em>P varies directly to T (the numerator) and inversely to V (the denominator).</em>

<em></em>

3 0

3 years ago