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Questions in Grade College

[Jawaban] Sulfur reacts with oxygen to form sulfur dioxide ($SO_2(g), \Delta H_{f}=-296.8 \text{ kJ/mol}$) according to the equation below: $S(s)+O_2(g) \rightarrow SO_2(g)$ What is the enthalpy change for the reaction? Use $\Delta H_{\text{rxn}} = \sum(\Delta H_{\text{f,products}}) - \sum(\Delta H_{\text{f,reactants}})$ A. -593.6 kJ B. -296.8 kJ C. 296.8 kJ D. 593.6 kJ

[Jawaban] Who is angry at the three witches for predicting the future for Macbeth? A. Banquo B. Lady Macbeth C. Hecate D. Duncan

[Jawaban] Alex earns a [tex]$35,000$[/tex] salary in the first year of his career. Each year, he gets a 3% raise. Which expression gives the total amount Alex has earned in his first [tex]$n$[/tex] years of his career? Choose 1 answer: A. [tex]$\frac{35,000\left(1-1.03^n\right)}{-0.03}$[/tex] B. [tex]$\frac{35,000\left(1-0.97^n\right)}{0.03}$[/tex] C. [tex]$1.03\left(1-35,000^n\right)$[/tex]

[Jawaban] Mary is making some shirts for her school's drama department. The fabric store has $3 \frac{1}{6}$ yards of the fabric she wants in stock, but this quantity of fabric can make only $1 \frac{1}{2}$ shirts. What length of fabric does Mary need to buy if she wants to sew $2 \frac{1}{4}$ shirts? A. $1 \frac{1}{6}$ yards B. $4 \frac{3}{4}$ yards C. $2 \frac{3}{8}$ yards D. $3 \frac{5}{6}$ yards

[Jawaban] 1. From the following ionic equations below, put a tick (✓) if there is a reaction taking place and a cross (X) if there is no reaction taking place. a. [tex]Zn ^{2+}( aq )+ Fe ( s ) \longrightarrow Fe ^{2+}(\frac{ aq }{ a })+ Zn ( s )[/tex] b. [tex]Mg ^{2+}( aq )+ Zn ( s ) \longrightarrow Zn ^{2+}( aq )+ Mg ( s )[/tex] c. [tex]Fe ^{2+}( aq )+ Zn ( s ) \longrightarrow Zn ^{2+}( aq )+ Fe ( s )[/tex] d. [tex]Pn ^{2+}( aq )+ Cu ( s ) \longrightarrow Cu ^{2+}( aqu ) ! Pu ( s )[/tex] e. [tex]Cu ^{2+}( aq )+ Fe ( s ) \longrightarrow Fe ^{2+}( aq )+ Cu ( s )[/tex] 2. Define spectator ion

[Jawaban] Add: $19+24+38$ A) 43 B) 62 C) 61 D) 81

[Jawaban] Solve for $x$. $\begin{array}{c} 5(12-2 x)=-10 \\ x=[?] \end{array}$

[Jawaban] True or false: The terms "hypothesis" and "theory" are considered synonyms.

[Jawaban] What type of ladder should be used when servicing electrical systems? A. Fiberglass B. Type 1A C. Type III D. Aluminum

[Jawaban] The following table shows the expansion expenses of a business. Calculate the product growth costs of expansion. | | | | :-------------------- | :-------------------------------- | | **Expansion Expenses**| | | **Product Growth** | | | Focus Groups | 50 people at $195/person | | Inventory Expenses | 30% on $230,000 value | | New Equipment | $215,000 | | **Building Growth** | | | Architect | $15,500 | | Attorneys | $60,000 | | Bankers | $115,000 | Product Growth Costs = $ [?]