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What else can I help you with?
What two pieces of information are needed to determine the ratio of elements in a compound?
The chemical formula of the compound (e.g., H2O for water) and the molar masses of the elements present in the compound are needed to determine the ratio of elements. The molar masses are required to calculate the molar ratios of the elements in the compound.
What information is needed to calculate the percent composition of a compound?
The formula of the compound and the Atomic Mass of its elements.
What two elements are chemically combined in a compound?
atoms of hydrogen and oxygen chemically combined to form water
Is rubber a compound or element?
Rubber is a compound because it is made up of multiple elements, such as carbon and hydrogen, that are chemically bonded together to form the polymer structure of rubber.
How many elements do you need for it to become a compound?
At least one. (That's not, entirely, a smart-aleck answer. I suspect you don't understand the meaning of either element or compound or possibly both. You need some review study, and trying to figure out how "one" is a legitimate answer should provide that. As a hint, consider the diatomic gasses, or buckminsterfullerene.)
What is the significance of the Big M in chemistry and how does it relate to molecular weight calculations?
The Big M in chemistry represents molar mass, which is the mass of one mole of a substance. It is significant because it helps in calculating the molecular weight of a compound by adding up the atomic masses of all the elements in the compound. This is important for determining the amount of a substance needed in reactions and understanding its properties.
How make 5mM solution?
To make a 5mM solution of a compound, you would need to dissolve an appropriate amount of the compound in a solvent to reach a final concentration of 5 millimoles per liter (5mM). The exact amount of compound required will depend on its molecular weight and the volume of solvent you are using. You can use a molecular weight calculator to determine the amount needed to achieve a 5mM concentration.
Bond enthalpy is always?
Bond enthalpy is the energy required to break one mole of a specific bond in a compound. It is always a positive value as energy is needed to break bonds.
What two elements are always involved in forming ionic bonds?
There are no two chemical elements that are alwaysinvolved in forming ionic bonds. If the questioner meant something else, a rephrasing of the question is needed.
What pulley system will lift the weight using the least amount of effort force?
A compound pulley system using multiple pulleys will require the least amount of effort force to lift a weight. The mechanical advantage of a compound pulley system increases with the number of pulleys, reducing the amount of force needed to lift the weight.
How would you make a 2 M solution of a compound?
To make a 2 M solution of a compound, you would need to weigh out the correct amount of the compound based on its molecular weight and dissolve it in enough solvent to reach a final volume that gives you a concentration of 2 M. You can use the formula: amount of compound (g) = molarity (M) x volume (L) x molecular weight (g/mol) to calculate the amount needed.
How could one make a 2 M solution of a compound?
To make a 2 M solution of a compound, you would first need to determine the molar mass of the compound. Once you have the molar mass, you can calculate the amount of compound needed to make the solution by using the formula: moles = Molarity x Volume (in liters). Finally, dissolve the calculated amount of compound in the appropriate volume of solvent to make a 2 M solution.
