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2 years ago

A measurement of the amount of solute that is dissolved in a given quantity of solvent; usually expressed as mol/L.

1 answer:

4 0

Answer:Concentration is a measurement of the amount of solute that is dissolved in a given quantity of solvent; usually expressed as mol/L.

Explanation:

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2. Which of the following is not a component of the plasma membrane

spayn [35]

The answer is d because it said so

7 0

3 years ago

Read 2 more answers

What happens if you drink hydrogen peroxide?

ValentinkaMS [17]

When peroxide is swallowed, it generates oxygen bubbles in the stomach. Drinking higher concentrations of hydrogen peroxide can be very dangerous because it can cause tissue burns.

5 0

3 years ago

The gas-phase decomposition of SO2Cl2, SO2Cl2(g)→SO2(g)+Cl2(g), is first order in SO2Cl2. At 600 K the half-life for this proces

Sphinxa [80]

Answer:

a. The rate constant = 0.0000030s^-1

b. The half life = 32000secs

Explanation:Please see attachment for explanation

6 0

3 years ago

The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a matchbox. If you were to rea

mihalych1998 [28]

Answer: The mass of tetraphosphorus decaoxide formed is 64.81g

Explanation:

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ ....(1)

For potassium chlorate:

Given mass of potassium chlorate = 93.3 g

Molar mass of potassium chlorate = 122.55 g/mol

Putting values in above equation, we get:

$\text{Moles of potassium chlorate}=\frac{93.3g}{122.55g/mol}=0.761mol$

For the given chemical reaction:

$10KClO_3+12P\rightarrow 3P_4O_{10}+10KCl$

Red phosphorus is given in excess . So, it is considered as an excess reagent and potassium chlorate is considered as a limiting reagent.

By Stoichiometry of the reaction:

10 moles of potassium chlorate reacts with 3 moles of tetraphosphorus decaoxide

So, 0.761 moles of potassium chlorate will react with = $\frac{3}{10}\times 0.761=0.2283moles$ of tetraphosphorus decaoxide

Calculating the mass of tetraphosphorus decaoxide by using equation 1, we get:

Molar mass of tetraphosphorus decaoxide = 283.886 g/mol

Moles of tetraphosphorus decaoxide = 0.2283 moles

Putting values in equation 1, we get:

$0.2283mol=\frac{\text{Mass of tetraphosphorus decaoxide}}{283.886g/mol}\\\\\text{Mass of tetraphosphorus decaoxide}=64.81g$

Hence, the mass of tetraphosphorus decaoxide formed is 64.81g

5 0

2 years ago

what is the electrical charge of the nucleus of an atom that has 12 protons and 12 neutrons and 12 electrons

ExtremeBDS [4]

Answer:

Neutral.

Explanation:

Protons have a positive charge. In this problem there are 12.

Electrons have a negative charge. In this problem there are 12.

Neutrons have a neutral charge that isn't relevant tot the overall charge, it can be ignored.

#protons - #e- = charge

12 - 12 = 0

The protons and electrons balance each other out, resulting in a 0 net charge. This means the atom has a neutral charge.

5 0

3 years ago