Recent Chemistry Questions

• How do you calculate partial pressure?

  45 min ago - Use Boyle's Law to calculate the partial pressure which is PV...

• Which of the 3 phase changes are endothermic?

  45 min ago - Fusion, vaporization, and sublimation are all endothermic pha...

• Does a precipitate always form when two ionic compounds are mixed?

  45 min ago - A precipitate will form when you mix solutions of two differe...

• How do you Balance a chemical equation?

  45 min ago - A balanced equation has equal numbers of each type of atom on...

• Is it an acid or a base that feels slippery and smooth?

  45 min ago - Bases taste bitter and feel slippery when dissolved in water.

• Is condense a physical or chemical change?

  46 min ago - A condensation reaction is a chemical reaction in which two m...

• What is the name for P4S5?

  46 min ago - Phosphorus pentasulfate is the name for P4S5. Enjoy, ChaCha!

• Can you give me recent example of parthenogenesis?

  46 min ago - An example of non-viable parthenogenesis is common in domesti...

• Is solubility a colligative property of a solution?

  46 min ago - True, the boiling point of a solution is higher than that of ...

• What plant does cocaine come from?

  47 min ago - Cocaine is derived from the coca plant in South America. It c...

• How many liters are in a kl?

  47 min ago - There are 1000 liters in 1 kiloliter, so that means 3000 lite...

• What characteristic of carbon atoms allows the formation of all these compounds? Carbon forms a very large number of compounds?

  47 min ago - Carbon forms more compounds than any other element, with almo...

• What is the main distinction between ionic and covalent bonding?

  47 min ago - In an ionic bond, the atoms are bound together by the attract...

• What is the the chemical formula for ammonia?

  47 min ago - Ammonia has a chemical formula of NH3, that is, one atom of n...

• What is a binary compound in chemistry?

  47 min ago - A chemical compound composed of only two elements, like Sodiu...

• How to split an atom?

  47 min ago - One way is to strip off a bunch of its electrons with light p...

• What are Chargaff's base pair rules?

  47 min ago - Chargaff's rules state: A with T: C with G: the pyrimidine cy...

• Which substance has a chemical symbol that is derived from a Latin name?

  47 min ago - Nine actually! Sodium (Na), iron (Fe), copper (Cu), potassium...

• What is the equation to find heat energy?

  48 min ago - Heat = Cp x M x (delta) T

• Where is the majority of an atoms mass located?

  48 min ago - The majority of the mass of an atom is located in the neutron...

• What is the molecular formula for iodine pentafluoride?

  48 min ago - The molecular formula for iodine pentafluoride is IF5. ChaCha!

• What are the characteristics of all organic compounds?

  48 min ago - Organic compounds are generally covalently bonded. This allow...

• What molecules have two oppositely charged ends or poles?

  49 min ago - In a polar molecule, 1 end (or pole) of the molecule is posit...

• How do you make uranium usable?

  49 min ago - Making uranium usable without proper state/federal authorizat...

• Which type of bonding involves the sharing of electrons?

  49 min ago - When two atoms share electrons. With the pair of electrons ha...

• What is the chemical equation for sodium phosphate calcium chloride yield calcium phosphate sodium chloride?

  49 min ago - 2 NaH2PO4 + CaCl2 = Ca(H2PO4)2 + 2 NaCl is sodium phosphate+c...

• What are the 3 types of neurons and their functions?

  49 min ago - The Bipolar neuron (vision and smell), The Unipolar neuron (s...

• Is vinegar a base or acid?

  49 min ago - Vinegar is an acid. For thousands of years people have known ...

• How many moles of water can be made from for moles of oxygen gas and 16 moles of hydrogen gas?

  49 min ago - You can make four moles of water. Your limiting factor will b...

• What is the density of ethanol?

  49 min ago - The liquid density of Ethanol is 0.789 g/mL. Thank you for us...

• What kind of movement to electrons move in?

  49 min ago - Electrons moving in circular orbits at constant speed around ...

• Is the charge of an electron a positive or an negative?

  49 min ago - An electron has a negative charge. J. J. Thomson first identi...

• What is the formula for chlorine dioxide?

  49 min ago - Chlorine dioxide is a chemical compound with the formula ClO2...

• What is the name of elements in the 7a group of the periodic table?

  50 min ago - The elements of this group are known as Halogens. The word is...

• What is the melting point in celcius of 2,3-diphenylquinoxaline?

  50 min ago - 2,3-diphenylquinoxaline has a melting point of 125 - 128 C. I...

• What is the balanced equation of calcium oxide plus water over to calcium hydroxide?

  50 min ago - He balanced equation will be: H2SO4 + Ca(OH)2 = CaSo4 + 2H2O ...

• What Explain the nature of colligative properties(chemistry)?

  50 min ago - A colligative property is one that depends only on the ratio ...

• What is the group name of the elements in group 1?

  50 min ago - The elements in group 1 of the periodic table are called the ...

• What compound is CaI2?

  50 min ago - Calcium iodide is the inorganic compound with the formula CaI...

• Are all compounds considered molecules?

  50 min ago - No. A molecule is defined as an electrically neutral group of...

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