In a certain organic compound, one of the carbon atoms is bonded to two atoms: a hydrogen atom and a carbon atom. What type of bond exists between the two carbon atoms? Single covalent Triple covalent Ion dipole Ionic
When an atom loses an electron, the resulting particle is called None of these an isotope. a proton. a cation. an anion.
The periodic table is organized by trends in reactivity of the valence shell of each element. True False
Determine the enthalpy of reaction for HCl(g) +NaNO_(2)(s)arrow HNO_(2)(l)+NaCl(s) 2NaCl(s)+H_(2)O(l)arrow 2HCl(g)+Na_(2)O(s)Delta H^circ = -507.1kJ/mol NO(g)+NO_(2)(g)+Na_(2)O(s)arrow 2NaNO_(2)(s)Delta H^circ = -427.0kJ/mol NO(g)+NO_(2)(g)arrow N_(2)O(g)+O_(2)(g)Delta H^circ = -43.01kJ/mol 2HNO_(2)(l)arrow N_(2)O(g)+O_(2)(g)+H_(2)O(l)Delta H^circ = +34.02kJ/mol
Indicate the types of intermolecular forces that exist between molecules in PCl_(3) Dispersion Dipole-Diploe Hydrogen None, ionic bonds
The compound CH_(3)-CH_(2)-SH is in the organic family known as ethers. alcohols. sulfides. amino acids. thiols.
What is the formula for the ionic compound? formula: square
Calculate the solubility at 25^circ C of CaF_(2) in pure water and in a 0.0110M NaF solution. You'll find K_(sp) data in the ALEKS Data tab. Round both of your answers to 2 significant digits. solubility in pure water: square (g)/(L) solubility in 0.0110 M NaF solution: square (g)/(L)
30 Consider the following reaction at 25^circ C 3Ni(s)+N_(2)(g)+3H_(2)O(g)arrow 3NiO(s)+2NH_(3)(g)
An atomic cation with a charge of +3 has the following electron configuration: [He]2s^22p^6 What is the chemical symbol for the ion? How many electrons does the ion have? How many 2s electrons are in the ion? square square square
Which of the species below is less basic than acetylide? $CH_{3}MgBr$ $CH_{3}ONa$ $CH_{3}Li$ both A and C all of the above
Choose the conjugate acid for the following base: $N_{2}O_{2}^{2-}$ a. $NO_{2}^{-}$ $HN_{2}O_{2}^{-}$ $H_{2}N_{2}O_{2}$ $HNO_{2}$ $HPO_{4}^{2-}$ b. $H_{2}PO_{4}^{-}$ $H_{2}PO_{4}^{2-}$ $H_{3}PO_{4}$ $H_{3}PO_{4}^{-}$ $B_{4}O_{7}^{2-}$ C. $HB_{4}O_{7}^{2-}$ $HBO_{2}$ $HB_{4}O_{7}^{-}$ $H_{2}B_{4}O_{7}$
The difference between Q and $K_{sp}$ is no differencé. $K_{sp}$ is the value of the product at equilibrium and Q is the value of the product under any condition. Q is the value of the product at equilibrium and $K_{sp}$ is the value of the product under any condition. Q is greater than $K_{sp}$ $K_{sp}$ is greater than Q.
A gas occupies 718 mL at a temperature of $28.36^{\circ }C$ What is the volume of gas at $116.05^{\circ }C$ assuming pressure did not change? Give your answer in L to the hundredths place. Do not put units in the answer space.
Which of the following substances can behave as Lewis bases in an aqueous solution? (Select all that apply) D $CN^{-}$ D $NH_{3}$ $O^{2-}$ $Ag^{+}$ $NH_{4}^{+}$
$CH_{3}-CH_{2}-OH$ Spell out the full name of the compound. $\square $
QUESTION 1 OF 10 When reading a chemical label, it's important to check for what two kinds of hazards? SELECT ALL THAT APPLY health safety storage transportation
3) (4 pts) Give the structures (condensed or line-angle structures) of the isomers of $C_{4}H_{10}$ and name each.
Complete the table to describe the interactions. Interaction Effect on Effect on Species A Species B $\square $ $\square $
Complete and balance the following redox reaction in acidic solution . Be sure to include the proper phases for all species within the reaction. $As(s)\rightarrow H_{2}AsO_{4}^{-}(aq)+AsH_{3}(s)$