Malcolm Rivera
Determining the greatest percentage within a given set of data is a common mathematical problem. For example, in the United States, flushing toilets account for the greatest percentage of domestic water use, with approximately 24-30% of indoor water use. This is due to the large amount of water required to effectively flush waste. Similarly, when comparing the compounds TiO₂, Fe₂O₃, and Al₂O₃, Al₂O₃ has the greatest percentage of oxygen by mass, at approximately 47.06%.
| Characteristics | Values |
|---|---|
| Greatest percentage of domestic water use in the US | Flushing toilets (24-30%) |
| Other significant water uses | Washing clothes (20%) |
| Washing dishes (6%) | |
| Drinking (1-6%) | |
| Cooking (2%) | |
| Compound with the greatest percent of oxygen by mass | Al₂O₃ (47.06%) |
| Other compounds with oxygen by mass | TiO₂ (40.05%) |
| Fe₂O₃ (30.06%) |
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What You'll Learn
Which activity constitutes the greatest % of domestic water use in the US?
Water is essential for daily life, and access to safe treated water is a privilege that many in the US take for granted. However, with increasing populations and freshwater resources under pressure, water conservation is becoming critical.
The average American family uses more than 300 gallons of water per day at home, with roughly 70% of this use occurring indoors. Nationally, 30% of household water use is for outdoor purposes, but this can be much higher in drier parts of the country.
The greatest percentage of domestic water use in the US is due to flushing toilets. Toilets account for approximately 24-30% of indoor water use in a typical household, according to the Environmental Protection Agency (EPA). This is because traditional toilets use a large amount of water per flush, with older models using as much as 3.5 to 7 gallons per flush. Upgrading to more efficient, WaterSense-labelled toilets can significantly reduce this water usage.
Other activities that constitute a significant percentage of domestic water use in the US include:
- Washing clothes (20%)
- Showering (17-27%)
- Leaks (12-18%)
- Washing dishes (6%)
- Drinking (1-6%)
- Cooking (2%)
WaterSense, a partnership program sponsored by the US EPA, aims to help families reduce their water use by 20-30% through simple measures such as upgrading to higher-quality, more efficient products.
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Which compound has the greatest % of oxygen?
When comparing the composition of different compounds, it is common to look at the mass percentage of a particular element to determine which compound is richer in it. The mass percentage of an element within a compound is calculated by taking the ratio of the mass of that element to the total mass of the compound, multiplied by 100.
For example, to calculate the mass percentage of oxygen in TiO₂, we divide its mass (32g) by its molar mass (79.87 g/mol) and multiply the result by 100, giving us 40.05%. This means that 40.05% of the mass of TiO₂ is due to oxygen.
Comparing the mass percentages of oxygen in TiO₂, Fe₂O₃, and Al₂O₃, we can see that Al₂O₃ has the greatest percent of oxygen by mass at 47.06%. This is because, despite Fe₂O₃ having more oxygen atoms, the molar mass of iron contributes significantly to its overall molar mass.
Another compound with a high percentage of oxygen by mass is H2O.
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What is the greatest % of water used for in the US?
Water is used for a wide variety of purposes in the US, from daily household tasks to industrial processes. While the Earth has abundant water, less than 1% is available for human use, with the rest being saline water in oceans or fresh water frozen in polar ice caps.
In the US, the greatest percentage of domestic water use is due to flushing toilets, which account for about 24-30% of residential water use. This is because traditional toilets use a large amount of water per flush. Other indoor water uses include washing clothes (20%), washing dishes (6%), drinking (1-6%), and cooking (2%).
On a larger scale, the three largest water-use categories in the US are irrigation (118 billion gallons per day), thermoelectric power (133 billion gallons per day), and public supply (39 billion gallons per day). These three categories cumulatively account for 90% of the national total water use. In 2015, total water use in the US was estimated to be about 322 billion gallons per day, with freshwater withdrawals making up 87% of total withdrawals.
Water is also used for industrial purposes, with about 5% of industrial water use being saline. Additionally, water is used to grow food, manufacture goods, and support businesses. Communities across the country are facing challenges regarding water supply and the need to update aging water treatment and delivery systems.
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Which constitutes the greatest % of domestic water use in the US?
Water is essential for supporting communities, local businesses, and industries. While the Earth may seem abundant in water, less than 1% is available for human use. Water use in the United States in 2015 was estimated to be about 322 billion gallons per day, a 9% decrease from 2010.
The average American family uses more than 300 gallons of water per day at home, with about 70% of this use occurring indoors. Nationally, outdoor water use accounts for 30% of household use, but this can be much higher in drier regions and landscapes that require more water for irrigation.
The greatest percentage of domestic water use in the United States is attributed to flushing toilets, which account for about 24-30% of residential water use. Traditional toilets use a large amount of water per flush, with older models using up to 3.5-7 gallons per flush. Upgrading to more water-efficient toilets can significantly reduce water usage. The Environmental Protection Agency (EPA) estimates that laundry accounts for about 20% of indoor water use, while dishes and drinking water account for about 6% each.
Leaks are also a significant contributor to water waste, with an estimated 12% of water used in homes lost due to leaks. A running toilet alone can waste about 200 gallons of water per day.
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What is the greatest % of water used in the average US household?
Water is an essential part of our daily lives, and we use it for drinking, cooking, cleaning, and more. According to the Environmental Protection Agency (EPA), the average American household uses more than 300 gallons of water per day. However, there are variations in water usage across different regions and households.
Now, let's focus on your question: "What is the greatest % of water used in the average US household?"
The greatest percentage of domestic water use in the United States is attributed to flushing toilets. According to the EPA, toilets account for approximately 24% to 30% of indoor water use in a typical household. This high percentage is due to the large amount of water required per flush in traditional toilets.
In comparison, other water usage activities in the home contribute less to the overall water consumption. For example, the EPA estimates that laundry accounts for about 20% of indoor water use, while activities such as washing dishes and drinking water account for about 6% each.
It's important to note that outdoor water use also contributes significantly to household water consumption. On average, outdoor water use accounts for 30% of total household water usage, but this percentage can be much higher in drier regions, reaching up to 60%.
To reduce water consumption, the EPA recommends installing water-efficient fixtures and appliances. Upgrading to more efficient toilets, for instance, can significantly decrease water usage as toilets are the highest single use of freshwater in homes.
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Frequently asked questions
Flushing toilets account for the greatest percentage of domestic water use in the United States, with approximately 24-30% of indoor water use.
Al₂O₃ has the greatest percentage of oxygen by mass at 47.06%.
Washing clothes comes in second place, constituting approximately 20% of indoor water use.
