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Alchen [17]
3 years ago
13

The Resource Conservation and Recovery Act controls hazardous waste from its creation to its disposal. Please select the best an

swer from the choices provided. T F
Chemistry
2 answers:
o-na [289]3 years ago
7 0

Answer:

True

Explanation:

Resource Conservation and Recovery Act (RCRA). 1976 of United States Environmental Protection Agency(EPA) empowers EPA to control the production, transportation, storage, treatment and disposal of hazardous waste. The RCRA act was amended in 1984 and 1986 to include Waste minimization along with appropriate disposal (not in the landfill site) and tackling of petroleum hazardous waste respectively along with other waste.

expeople1 [14]3 years ago
4 0

Answer:

true is the correct answer.

Explanation:

  • The Resource Conservation and Recovery Act controls hazardous waste from its creation to its disposal is true.
  • The Resource Conservation and Recovery Act is the nation's premier law directing the control of solid and hazardous waste.
  • To control the increasing problems that the nation is facing from the municipal waste and the industrial waste Resource Conservation and Recovery Act was signed.
  • Resource Conservation and Recovery Act goals are to eliminate the quantity of waste produced and to protect  the human health and the atmosphere from the dangers posed with waste disposal

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Which example is a container holding a heterogeneous mixture? * 1 point Bowl of clear chicken broth. Balloon filled with He gas.
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Answer:

Bowl of clear chicken broth

Explanation:

A bowl of clear chicken broth is a heterogenous mixture.

  • A heterogenous mixture is one in which the constituents exists in at least two different phases.
  • A chicken broth is a heterogenous mixture which exists in the liquid - solid state.
  • The broth is made up of simmered meat, vegetables and other recipes together.

Such mixtures can be:

  1. Gas - liquids mixtures
  2. Liquid - solid mixtures
  3. Gas  - solid mixtures

A broth is an extract from cooking chicken. Some vegetables and extract are mixed together in a nutritious blend.

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Five unknown compounds are added to water. four of the compounds go into solution while one does not. what property does water p
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Water is the universals solvent and the compound that wouldnt disolve is oli because water and oil don't mix
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What is the electron configuration of Mn3+
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Explanation:

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3 years ago
6. How many moles of water would require 92.048 kJ of heat to raise its temperature from 34.0 °C to 100.0 °C? (3 marks)​
scoray [572]

Taking into account the definition of calorimetry, 0.0185 moles of water are required.

<h3>Calorimetry</h3>

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

Sensible heat is defined as the amount of heat that a body absorbs or releases without any changes in its physical state (phase change).

So, the equation that allows to calculate heat exchanges is:

Q = c× m× ΔT

where Q is the heat exchanged by a body of mass m, made up of a specific heat substance c and where ΔT is the temperature variation.

<h3>Mass of water required</h3>

In this case, you know:

  • Heat= 92.048 kJ
  • Mass of water = ?
  • Initial temperature of water= 34 ºC
  • Final temperature of water= 100 ºC
  • Specific heat of water = 4.186 \frac{J}{gC}

Replacing in the expression to calculate heat exchanges:

92.048 kJ = 4.186 \frac{J}{gC}× m× (100 °C -34 °C)

92.048 kJ = 4.186 \frac{J}{gC}× m× 66 °C

m= 92.048 kJ ÷ (4.186 \frac{J}{gC}× 66 °C)

<u><em>m= 0.333 grams</em></u>

<h3>Moles of water required</h3>

Being the molar mass of water 18 \frac{g}{mole}, that is, the amount of mass that a substance contains in one mole, the moles of water required can be calculated as:

amount of moles=0.333 gramsx\frac{1 mole}{18 grams}

<u><em>amount of moles= 0.0185 moles</em></u>

Finally, 0.0185 moles of water are required.

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