Recent Chemistry Questions

• How many moles of molecules are there in 250g of Hydrogen Nitrate, HNO3?

  1 hr 13 min ago - The molar mass of HNO3 is 63.01 g per m. So 250 g is 3.96 mol...

• How many amino acids are there?

  1 hr 13 min ago - There are 20 amino acids found in our bodies; however, in nat...

• What is the chemical equation for sodium hydrogen carbonate?

  1 hr 13 min ago - Sodium bicarbonate or sodium hydrogen carbonate is the chemic...

• Is CaCl2 covalent or ionic?

  1 hr 13 min ago - CaCl2 is ionic. ChaCha loves Chemistry!

• What happens when you put salt in milk?

  1 hr 13 min ago - One article says that if you put a pinch of salt in your milk...

• Is an electron negative or positive?

  1 hr 13 min ago - Electrons contain a negative charge, protons a positive charg...

• What is an interesting chemistry fact?

  1 hr 13 min ago - Gallium is a metal which melts on palm of the hand, due to it...

• What is another name for transition metals?

  1 hr 13 min ago - Scandium is another name for transition metals. ChaCha Away!

• What is the formula for sulfur hexabromide?

  1 hr 13 min ago - SBr6. ChaCha!

• What does be stand for on the periodic table?

  1 hr 13 min ago - Be is the abbreviation for Beryllium, which is a Group 2 (IIA...

• If a radioactive sample has decayed until only 1/8 of the original sample remains unchanged, how many half-lives have elapsed?

  1 hr 13 min ago - In the first half-life, 1/2 would remain. In the second, 1/4 ...

• What makes up an electrons in an atom?

  1 hr 13 min ago - Electrons are a fundamental particle in atoms. By "fundamenta...

• What is it called when a gas turns into a liquid?

  1 hr 13 min ago - Condensation is the change in the phase of matter from the ga...

• What is the maximum number and minimum number of hybrid orbitals that a carbon atom can form? name corresponding hybrid orbitals?

  1 hr 14 min ago - Three classes of hybrid orbitals exist: sp, sp2, and sp3. Tha...

• Is it covalent or ionic?

  1 hr 14 min ago - It is ionic. Magnesium Oxide is created when an ionic bond ex...

• What is an electron cloud in an atom?

  1 hr 14 min ago - An electron cloud describes the area around an atomic nucleus...

• How many oxygen atoms are there in 52.06 grams of carbon dioxide?

  1 hr 14 min ago - Multiply the weight of any CO2 sample by your percentage, in ...

• What is it called when the dna polymers unzips?

  1 hr 14 min ago - The process is usually referred to as unzipping. It is done b...

• What elements are transition metals?

  1 hr 14 min ago - Yes, that's correct. The Transition Metals are: Scandium, Tit...

• What is the molecular formula for boron oxide?

  1 hr 14 min ago - It depends on which boron oxide you are asking about. Boron o...

• What is the oxidation numbers for each atom in NO2 with a negative charge?

  1 hr 15 min ago - The oxidation number of an element indicates the number of el...

• How does argon differ from neon?

  1 hr 15 min ago - The group of elements known as the rare, inert or noble gases...

• What SUGAR CONTAINS rna?

  1 hr 15 min ago - The sugar in an RNA nucleotide is ribose. RNA contains uracil...

• Is NH3 covalent or ionic?

  1 hr 15 min ago - Ammonia, NH3 is a covalent compound, used heavily in agricult...

• What is N on the periodic table?

  1 hr 15 min ago - N on the periodic table is "Nitrogen". If you have anymore qu...

• What is the name for the ionic compound NaBr?

  1 hr 16 min ago - The correct name for the compound NaBr is Sodium Bromide. Cha...

• What is the oxidation number of h2o2?

  1 hr 16 min ago - There are also ionic compounds where H is in the form of hydr...

• What is doxycycl hyc?

  1 hr 16 min ago - Doxycycline Hyclate is a drug used to treat bacterial infecti...

• What is nitrogen fixation carried out primarily by?

  1 hr 16 min ago - Nitrogen fixation is performed naturally by a number of diffe...

• Which phrase describes a system with exactly one solution? A. Consistent and independent B. Consistent and dependent C. Inconsistent D. Dependent?

  1 hr 17 min ago - Dependent would describe the system with only one solution. C...

• What is the SI base unit for length?

  1 hr 18 min ago - The SI base unit symbol for length is M. "The meter is the le...

• What happens when to put lithium in water?

  1 hr 18 min ago - Lithium reacts intensely with water, forming lithium hydroxid...

• What is Leads atomic symbol?

  1 hr 18 min ago - Lead's atomic symbol is Pb. Its atomic number is 82, and its ...

• How are isotopes formed?

  1 hr 18 min ago - Isotopes of an element are formed by having a different # of ...

• What is the chemical formula for calcium carbonate?

  1 hr 19 min ago - The empirical formula for calcium carbonate is CaCO3. Thanks ...

• What taxon level is Osteichthyes?

  1 hr 19 min ago - The class and subclass of fish are Osteichthyes, Actinopteryg...

• Which of the following is correct for the effect of linkage on recombination?

  1 hr 20 min ago - The effects of recombination hotspots on the relationship bet...

• What are the main functions of lipids?

  1 hr 20 min ago - Energy storage, mobilization, and utilization protection of o...

• How long does a nuclear explosion last?

  1 hr 20 min ago - The direct impact of a nuclear blast is finished in a matter ...

• What process changes one set of chemicals into another set of chemicals?

  1 hr 20 min ago - The process that changes one set of chemicals into another se...

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