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A chemist hypothesizes that mercury oxide will undergo a decomposition reaction if it reaches a certain temperature When the chemist designs his experiment what should be the only independen?
The only independent variable should be the temperature at which the mercury oxide is heated. This variable will be manipulated by the chemist to determine its effect on the decomposition of mercury oxide.
Is NaCl decreases when heated to 90 degree C?
No, NaCl (sodium chloride) does not decrease when heated to 90 degrees Celsius. Heating NaCl at this temperature will not cause it to decompose or decrease in quantity – it will remain the same compound, only in a different physical state (solid to liquid).
What element is only liquid at room temperature?
Mercury is the only metal to be liquid at room temperature.
What happen ton sulphar when slightly heated in test tube by a Bunsen burner?
When sulphur is heated in the test tube in the absence of air the sulphur will break down and form a red-brown liquid. If oxygen comes into play sulphur dioxide is produced, however you should not that sulphur dioxide is a highly toxic gas and should only be produced in small amounts under a fume hood.
Does baking soda lower the temperature of cold water?
No It does not lower the temp because it only lower the temp when it is warm it just slightly lower the temp
What is the temperature of metal when it is heated?
Heat just refers to increasing the temperature. The temperature range for a metal that is heated, theoretically speaking, only needs to be greater than 0 Kelvins.
Does evaporation only happen when water is heated to high temperature?
Evaporation occur at any temperature.
A chemist hypothesizes that mercury oxide will undergo a decomposition reaction if it reaches a certain temperature When the chemist designs his experiment what should be the only independen?
The only independent variable should be the temperature at which the mercury oxide is heated. This variable will be manipulated by the chemist to determine its effect on the decomposition of mercury oxide.
How long can raw meat sit at room temperature before refrigerating?
Potentially hazardous food should not be left at room temperature for more than 2 hours, or only one if the ambient temperature is very warm. At that time, it should be re-heated or refrigerated.
Is virgin olive oil good for cooking or not?
Yes, but only at low temperature
Will ice rise in temperature straight away when heated?
No, ice will not immediately rise in temperature when heated. Initially, the heat energy will cause the ice to melt and transition into water. Only after the ice has completely melted will the temperature of the water start to rise.
What do you do if a cake is cooking only at the top?
If a cake is cooking only on the top, it may be that the oven is set on "broil" instead of on "bake," or that the bottom element of the oven may be broken. Another possibility is that the cake simply has not baked long enough to be "done" throughout. If the oven is set at too high a temperature, the top of the cake might scorch before the interior is baked. The oven temperature should be tested with an oven thermometer to determine whether the temperature setting is accurate.
When heated blank solvents can dissolve more solute than they can at a lower or unheated temperature?
a) nob) only polarc) alld) only covalente) most
How can an oil be converted into a solid at room temperature?
Cooking oil can be turned in to a solid by heating it. Once the cooking oil is heated let it cool down. As the cooking oil cools it will soon solidify.
Why does wood not catch fire when it is heated a little?
Wood needs to reach its ignition temperature to catch fire. When heated only slightly, the temperature may not be high enough to cause ignition. Additionally, a lack of sufficient oxygen or fuel can also prevent wood from catching fire when heated a little.
Should you swim at 30 degrees Fahrenheit?
NO! It doesn't matter if you are reffering to the water temperature or the air, you would die! Don't even swim in a heated pool. After you get out, you'll freeze. The only way you should do this is if you have a wetsuit and scuba gear, and even then it's risky.
Is metal made up of a liquid?
No, most metals are solid at room temperature, though they can all melt when heated enough.The only exception is mercury, which is liquid at room temperature.
