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Which of the following substances is likely to have covalent bonds? (select all that apply) Nak...
Are the bonds in each of the following substances ionic, nonpolar covalent, or polar covalent? (a) KCl ionic nonpolar covalent polar covalent (b) P4 ionic nonpolar covalent polar covalent (c) BF3 ionic nonpolar covalent polar covalent (d) SO2 ionic nonpolar covalent polar covalent (e) Br2 ionic nonpolar covalent polar covalent (f) NO2 ionic nonpolar covalent polar covalent Arrange the substances with polar covalent bonds in order of increasing bond polarity. (Use the appropriate <, =, or > symbol to separate...
Which of the substances list below is a pure element. Check all that apply: Oxygen Carbon Monoxide CaCO3 S8 Air
Question 8 2 pts Which of the following substances are Lewis acid? Select ALL that apply. BeCl2 Fe3+ OH NH3 BH3
Which of the following substances has covalent bonding? Select one: a. Al2O3 b. CaF2 c. Cl2 d. K2S
Which of the following substances below are most likely to be classified as a strong acid in water? There may be more than one correct answer. (Select all that apply.) HB H,SO HINO HG,H,O,
Which of the substances list below is a pure element. Check all that apply: Air Oxygen CaCO3 S8 Carbon Monoxide
For which pair/s of substances would ΔHsoln most likely be strongly endothermic? (circle all that apply) CaBr2 & H2O CCl4 & H2O NH3 & H2O HCl & H2O
Describe how you might tell which is which. Check all that apply. Check all that apply. Take the melting point of the two compounds. The ionic solid melts at a lower temperature. Try to dissolve the two solids in water. The covalent solid is more likely to be water soluble than the ionic solid. Try to dissolve the two solids in water. The ionic solid is more likely to be water soluble than the covalent solid. Take the melting point...
Which of the following are places likely to have extremophiles living in them? Select all that apply. A) high salt B) low pH C)human skin D)very low temperature E)liquid magma
Which of the following are redox reactions? (select all that apply) S8 + O2 → SO3 NaBr + CaF2 → NaF + CaBr2 C3H6 + O2 → CO2 + H2O Mg + Cl2 → MgCl2