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Questions in chemistry

[Homework Help] Which element is rolled into a foil found and used in your kitchen?

[Homework Help] If 13.0 g of CO\(_2\) gas has a volume of 0.46 L at 310 K, what is its pressure in millimeters of mercury?

[Homework Help] Which element has the lowest ionization energy? A. Argon (Ar) B. Bromine (Br) C. Cesium (Cs) D. Nickel (Ni)

[Homework Help] What is the charge of the nucleus of an oxygen atom?

[Homework Help] Write the balanced equation for the neutralization reaction between [tex]HI[/tex] and [tex]Ba(OH)_2[/tex] in aqueous solution. Include physical states.

[Homework Help] Which of the following most likely requires intermolecular forces? A. a spider walking on the bottom of a leaf B. a rock maintaining its solid shape C. a koala using claws to hold onto a tree

[Homework Help] A molecule has two atoms that are bonded to the central atom and one lone pair of electrons around this central atom. What is the shape of the molecule? A. Bent B. Linear C. Trigonal planar D. Trigonal pyramidal

[Homework Help] A solid compound in a sealed container was kept at a very low temperature in a freezer. When placed at room temperature, the substance quickly turned into a liquid. This compound is most likely which of the following? A. an ionic compound because it has a low boiling point B. a covalent compound because it has a low boiling point C. an ionic compound because it has a low melting point D. a covalent compound because it has a low melting point

[Homework Help] What is the mass of 0.01 mol of [tex]Na_2SO_4[/tex]?

[Homework Help] What is the mass of 2 moles of KBr and the mass of 0.1 moles of [tex]C_6H_{12}O_6[/tex]?