Specific Gravity of Water Calculator
Sure, here’s a table showing the specific gravity of water at different temperatures:
| Temperature (°C) | Specific Gravity |
|---|---|
| 0 | 0.99987 |
| 4 | 1.00000 |
| 10 | 0.99970 |
| 20 | 0.99821 |
| 25 | 0.99707 |
| 30 | 0.99567 |
| 40 | 0.99220 |
| 50 | 0.98804 |
| 60 | 0.98322 |
| 70 | 0.97777 |
| 80 | 0.97167 |
| 90 | 0.96502 |
| 100 | 0.95787 |
Please note that these values are approximate and may vary slightly based on the data source and experimental conditions. Specific gravity is dimensionless and is relative to the density of water at a reference temperature, which is usually 4°C or 20°C. The specific gravity of water is close to 1 at these reference temperatures and slightly deviates at other temperatures due to the thermal expansion and contraction of water.
FAQs
1. How do you find specific gravity at different temperatures?
Specific gravity is the ratio of the density of a substance to the density of water at a specified temperature. To find the specific gravity of a substance at different temperatures, you need to know the density of the substance at those temperatures and the density of water at the same temperatures. Then, divide the substance’s density by the density of water to get the specific gravity.
2. Does the specific gravity of water change with temperature?
Yes, the specific gravity of water changes with temperature because the density of water changes with temperature. Water is densest at around 4 degrees Celsius (39.2 degrees Fahrenheit), and its specific gravity is 1 at that temperature.
3. How much does specific gravity change with temperature?
The specific gravity of water changes slightly with temperature, but the change is not significant for most practical purposes. The specific gravity is very close to 1 over a wide range of temperatures.
4. How to calculate specific weight of water at different temperatures?
Specific weight is the weight of a substance per unit volume. To calculate the specific weight of water at different temperatures, you need to know the density of water at those temperatures and multiply it by the acceleration due to gravity (9.81 m/s^2 or 32.2 ft/s^2).
5. Is specific gravity related to temperature?
Yes, specific gravity is related to temperature because it is a measure of the density of a substance relative to the density of water, which changes with temperature.
6. What is the specific gravity of water at 4 degrees Celsius?
The specific gravity of water at 4 degrees Celsius is 1.
7. How do you calculate the specific gravity of water?
To calculate the specific gravity of water, you can use the formula:
Specific Gravity = Density of water / Density of reference substance (usually water at a specified temperature)
8. What happens to water at different temperatures?
At different temperatures, water can exist in different states, such as solid ice, liquid water, or gaseous water vapor. Its density and specific gravity also change with temperature.
9. What is the density of water at different temperatures?
The density of water varies with temperature. Some approximate values of water density at different temperatures (in g/cm³) are as follows:
- 0°C: 0.99987
- 10°C: 0.99970
- 20°C: 0.99821
- 30°C: 0.99567
- 40°C: 0.99225
- 50°C: 0.98804
- 60°C: 0.98320
- 70°C: 0.97787
- 80°C: 0.97210
- 90°C: 0.96599
- 100°C: 0.95957
10. Is specific gravity independent of temperature?
No, specific gravity is not independent of temperature because it is based on the density of the substance, and density varies with temperature.
11. What does the specific gravity of water at standard temperature 4°C equal to?
The specific gravity of water at 4°C equals 1.
12. What is the specific gravity of water at 25 degrees?
The specific gravity of water at 25 degrees Celsius is very close to 1, but it may slightly vary based on small changes in density at that temperature.
13. What is the specific weight of water at 4 degrees?
The specific weight of water at 4 degrees Celsius is approximately 9798.26 N/m³ or 62.43 lb/ft³.
14. How much does the weight of water change with temperature?
The weight of water changes with temperature due to changes in density. As the temperature increases, the density decreases, and the weight per unit volume of water decreases.
15. What is the specific gravity of water at 60 Fahrenheit?
The specific gravity of water at 60 degrees Fahrenheit is very close to 1.
16. What is the specific weight of water at 4 degrees Celsius in lb/ft³?
The specific weight of water at 4 degrees Celsius is approximately 62.43 lb/ft³.
17. What happens to the density of water at 4 degrees Celsius?
The density of water reaches its maximum value at 4 degrees Celsius, which is approximately 0.99987 g/cm³ or 62.42 lb/ft³.
18. At what temperature is the specific gravity of water 1?
The specific gravity of water is 1 at its densest point, which is approximately 4 degrees Celsius (39.2 degrees Fahrenheit).
19. What is the recommended temperature to determine the specific gravity of liquids?
The recommended temperature to determine the specific gravity of liquids is often close to room temperature (around 20-25 degrees Celsius) or a standard temperature of 4 degrees Celsius.
20. How is density affected by temperature?
As temperature increases, the density of most substances, including water, decreases. Conversely, as temperature decreases, density generally increases.
21. How does the density of water change with temperature?
The density of water is highest at approximately 4 degrees Celsius. As the temperature deviates from this point, the density decreases both at lower and higher temperatures.
22. What is the density of water at 25 degrees?
The density of water at 25 degrees Celsius is approximately 0.99707 g/cm³.
23. What happens when you mix water at two different temperatures?
When you mix water at two different temperatures, heat transfer occurs between them until they reach a common temperature through thermal equilibrium.
24. What is the density of water at 40 degrees?
The density of water at 40 degrees Celsius is approximately 0.99225 g/cm³.
25. How to calculate the density of water at different temperatures and pressures?
The density of water at different temperatures and pressures can be calculated using the appropriate equation of state for water or by referring to tables of water density data.
26. At what temperature is water most dense?
Water is most dense at approximately 4 degrees Celsius (39.2 degrees Fahrenheit).
27. How does temperature affect the density or specific gravity of a substance?
In general, as the temperature of a substance increases, its density decreases, which affects its specific gravity.
28. Why is it necessary to mention the temperature at which specific gravity is calculated?
It is necessary to mention the temperature at which specific gravity is calculated because the specific gravity of a substance can vary with temperature due to changes in density.
29. What other method can be used to determine specific gravity?
Other methods to determine specific gravity include using a hydrometer or a pycnometer, which measure the density of the substance and compare it to the density of a reference substance.
30. What is the specific gravity of distilled water at room temperature?
The specific gravity of distilled water at room temperature (around 20-25 degrees Celsius) is very close to 1.
31. How does the density of water change at temperatures below 4 C?
As the temperature of water decreases below 4 degrees Celsius, its density increases, and it becomes denser until it reaches the temperature of freezing.
32. How do you compute specific gravity at any temperature to that at 27 C?
To compute the specific gravity at any temperature to that at 27 degrees Celsius, you need to know the densities of the substance at both temperatures and then divide the density at the desired temperature by the density at 27 degrees Celsius.
33. What is the density of water at 20 degrees?
The density of water at 20 degrees Celsius is approximately 0.99821 g/cm³.
34. What is the density of water at 50 degrees Celsius?
The density of water at 50 degrees Celsius is approximately 0.98804 g/cm³.
35. What is the density of water at 30 degrees Celsius?
The density of water at 30 degrees Celsius is approximately 0.99567 g/cm³.
36. What is the maximum density of water at 4 degrees?
The maximum density of water occurs at approximately 4 degrees Celsius and is approximately 0.99987 g/cm³ or 62.42 lb/ft³.
37. How does the density of water change at temperatures above 4?
As the temperature of water increases above 4 degrees Celsius, its density decreases.
38. What happens to water at 4 degrees?
At 4 degrees Celsius, water is at its maximum density, making it denser than at temperatures above or below this point.
39. What is the weight of water per gallon at standard temperature pressure conditions?
At standard temperature and pressure (STP), the weight of water per gallon is approximately 8.34 pounds (lb).
40. How much does cold and warm water weigh?
Cold and warm water weigh the same for equal volumes. However, their density changes with temperature due to thermal expansion and contraction.
41. What is 1 gallon of water weigh?
One gallon of water weighs approximately 8.34 pounds (lb) at standard temperature and pressure.
42. How much heat is necessary to change 30g of water at 10 C into water at 80 C?
The amount of heat necessary to change the temperature of a substance can be calculated using the formula Q = m * c * ΔT, where Q is the heat required, m is the mass, c is the specific heat capacity, and ΔT is the temperature change.
43. Why is water most dense at 39 degrees?
Water is most dense at approximately 4 degrees Celsius (39.2 degrees Fahrenheit), not 39 degrees. At this temperature, water molecules are closely packed, leading to higher density.
44. Does the specific gravity of water change with altitude?
The specific gravity of water does not significantly change with altitude, as it primarily depends on the density of water, which is mainly affected by temperature.
45. How much does a cubic foot of water weigh at 60 degrees Fahrenheit?
A cubic foot of water weighs approximately 62.43 pounds (lb) at 60 degrees Fahrenheit.
46. How do you calculate the specific weight of water in lb/ft³?
The specific weight of water in lb/ft³ can be calculated by multiplying the density of water (in lb/ft³) by the acceleration due to gravity (32.2 ft/s²).
47. What is the weight of 1 cubic foot of water at standard temperature pressure conditions?
The weight of 1 cubic foot of water at standard temperature and pressure conditions is approximately 62.43 pounds (lb).
48. Is water at 4 degrees Celsius more dense or less dense than ice?
Water at 4 degrees Celsius is more dense than ice. This is why ice floats on water.
49. How does the density of water change when it is heated from 4 C to 20 C?
As water is heated from 4 degrees Celsius to 20 degrees Celsius, its density decreases due to thermal expansion.
50. Does the specific gravity of water change with temperature?
Yes, the specific gravity of water changes with temperature due to changes in its density.
51. What is the specific gravity of water at 25 degrees?
The specific gravity of water at 25 degrees Celsius is very close to 1, but it may slightly vary based on small changes in density at that temperature.
52. How much does specific gravity change with temperature?
The change in specific gravity with temperature is relatively small for most practical purposes. The specific gravity of water remains close to 1 over a wide range of temperatures.
53. How do you find specific gravity at different temperatures?
To find the specific gravity of water at different temperatures, you need to know the density of water at those temperatures and the density of water at a reference temperature (usually 4 degrees Celsius). Divide the density at the desired temperature by the density at the reference temperature to get the specific gravity.
54. Is specific gravity related to temperature?
Yes, specific gravity is related to temperature because it is a measure of the density of a substance relative to the density of water, which changes with temperature.
55. What does the specific gravity of water at standard temperature 4 C equal to?
The specific gravity of water at standard temperature (4 degrees Celsius) is equal to 1.
56. What is the formula for density at different temperatures?
The formula for density at different temperatures can be specific to the substance being considered. In general, density is defined as mass per unit volume (Density = Mass / Volume).
57. Does density of liquid change with temperature?
Yes, the density of most liquids, including water, changes with temperature due to thermal expansion or contraction.
58. What is the density of water at different temperatures?
The density of water varies with temperature. Some approximate values of water density at different temperatures (in g/cm³) are provided in the earlier response.
59. How does the density of water change when it is heated from 4 C to 10 C?
As water is heated from 4 degrees Celsius to 10 degrees Celsius, its density decreases due to thermal expansion.
60. What is the density of water at 32 degrees?
The density of water at 32 degrees Fahrenheit is approximately 0.99823 g/cm³.
61. What is the density of heavy water at 20 C?
The density of heavy water (D2O) at 20 degrees Celsius is approximately 1.107 g/cm³.
62. What happens if you mix cold and warm water?
When cold and warm water are mixed, they will transfer heat between each other, and their temperatures will tend to equalize.
63. How do you calculate temperature change when mixing water?
The change in temperature when mixing water can be calculated using the principle of conservation of energy, taking into account the masses, specific heat capacities, and initial temperatures of the water.
64. What is the density of heavy water at 40 C?
The density of heavy water (D2O) at 40 degrees Celsius is approximately 1.047 g/cm³.
65. What is the density of water at 25 degrees?
The density of water at 25 degrees Celsius is approximately 0.99707 g/cm³.
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