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Charra [1.4K]
3 years ago
12

Dangers in your home: knowing how to handle household products containing hazardous materials or chemicals can reduce the risk o

f injury. It is important to store household chemicals where children cannot access them. Remember that common products such as aerosol cans of hair spray and deodorant, nail polish and nail polish remover, toilet bowl cleaners and furniture polishes are hazardous materials. Other hazardous household products include: ~Cleaning products ~Automotive products like antifreeze or motor oil ~Items like batteries, mercury thermometers and florescent light bulbs ~Flammable products: kerosene, home heating oil, propane tanks and lighter fluid ~Workshop or painting supplies: paint thinners and turpentine ~Herbicides and insecticides Your parents have purchased some insecticide to kill ants that keep showing up in the kitchen and pantry. The box has a small tear in it and your father repackages the insecticide in a plastic container and stores it on a high shelf in the pantry. Is this a reasonable practice? Explain. A) Yes; the container cannot tear or break. B) No; insecticides should never be brought into a home. C) No; the container is unlabeled and may be mistaken for food. D) Yes; the container is intact and stored out of reach of children.
Chemistry
2 answers:
Naya [18.7K]3 years ago
4 0
The answer would be either b or c because they are both correct
IgorLugansk [536]3 years ago
3 0

Answer: C) No; the container is unlabeled and may be mistaken for food.

Explanation: The harmful or flammable chemicals such as insecticides, toilet cleaners , mercury thermometers  must be stored in glass bottles with tight caps and put on high shelf with a cross symbol with its name labeled on it.

As this will help to recognize the substance by each individual of the family. Thus cannot be mistaken for something else.  

Also such harmful substances must not be kept in pantries.

Hence the correct option is C.





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DNA is made up of many smaller molecules called _____.
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Dna is made up of nucleotides
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3 years ago
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Aluminum sulfate reacts with barium chloride to form the insoluble compound, barium sulfate. The reaction proceeds according to
Kaylis [27]

Answer: BaCl_2 is the limiting reagent and Al_2(SO_4)_3 is the excess reagent.

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of aluminium sulphate}=\frac{150g}{342.15g/mol}=0.438moles

\text{Moles of barium chloride}=\frac{200g}{208.23g/mol}=0.960moles

The balanced chemical reaction is:

Al_2(SO_4)_3+3BaCl_2\rightarrow 2AlCl_3+3BaSO_4  

According to stoichiometry :

3 moles of BaCl_2 require = 1 mole of Al_2(SO_4)_3

Thus 0.960 moles of BaCl_2 will require=\frac{1}{3}\times 0.960=0.320moles  of Al_2(SO_4)_3

Thus BaCl_2 is the limiting reagent as it limits the formation of product and Al_2(SO_4)_3 is the excess reagent as it is left.

4 0
3 years ago
HELP! I NEED THIS ANSWERED ASAP!!!
stealth61 [152]

Answer:

The rate of reaction will maintain constant

Explanation:

Rate of reaction is proportionate to rate constant x [A] ^2 x [B]. This means that the order of reaction with respect to C is 0 as it does not affect the rate of reaction as seen in the rate equation.

Essentially, order of reaction with respect to C is [C] ^0

Hence if [C] triples and becomes [3C]^0, the result will still be 1 as anything to the power of 0 is 1.

Therefore, the answer is that the rate of reaction will remain constant.

8 0
3 years ago
For a single H2 molecule, H2 → 2H, the dissociation energy is 4.52 eV. How much energy would have to be put in (in kJ) to dissoc
grandymaker [24]

Answer: 7.2418 x 10^-19 joules

Explanation:

1 eV equals 1.602 x 10^-19 joules

Then 4.52eV will be multiplied by the above value to give 7.2418 x 10^-19 joules which is the energy required to dissociate the hydrogen molecule

6 0
3 years ago
Calculate the mass of a solute in a 10% salt solution if the mass is 350 grams.
Lyrx [107]

<u>Answer:</u> The mass of a solute is 35 grams

<u>Explanation:</u>

To calculate the mass percentage of solute, we use the equation:

\text{Mass percent of solute}=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100

Mass percent of solute = 10 %

Mass of solution = 350 g

Putting values in above equation, we get:

10=\frac{\text{Mass of solute}}{350g}\times 100\\\\\text{Mass of solute}=\frac{10\times 350}{100}=35g

Hence, the mass of a solute is 35 grams

7 0
3 years ago
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