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In **Chemistry** / **College** | 2025-08-20

[Homework Help] In chemistry, there is a class of compounds called alkanes. They have the general formula [tex]$C _x H _{2 x+2}$[/tex], where C stands for a carbon atom and [tex]$H$[/tex] stand's for a hydrogen atom. The subscript [tex]$x$[/tex] stand's for the number of carbon atoms, and the subscript [tex]$2 x+2$[/tex] stands for the number of hydrogen atoms in one molecule of the compound. \begin{tabular}{|c|c|c|} \hline Carbon atoms & Hydrogen atoms & Alkane Formula \\ \hline 1 & 4 & [tex]$CH _4$[/tex] \\ \hline 2 & 6 & [tex]$C _2 H _6$[/tex] \\ \hline 3 & 8 & [tex]$C _3 H _8$[/tex] \\ \hline & & \\ \hline \end{tabular} Suppose an alkane had 8 carbon atoms. How many hydrogen atoms would it have? A. 18 atoms B. 16 atoms C. 10 atoms D. 12 atoms Please select the best answer from the choices provided

In **Mathematics** / **College** | 2025-08-20

[Homework Help] Bleach Solution | | Cups | Bleach Concentration | Total | | :---- | :--- | :------------------- | :---- | | 10% Bleach | 5 | 0.10 | 0.5 | | 25% Bleach | [tex]$x$[/tex] | 0.25 | [tex]$0.25x$[/tex] | | Mixture | [tex]$5+x$[/tex] | 0.20 | 3 | What is the value of [tex]$x$[/tex]?

In **Health** / **College** | 2025-08-20

[Homework Help] Which of the following respirators is designed to cover the wearer's nose, mouth, and eyes and requires an external battery? A. Powered air-purifying respirators (PAPRS) B. Filtering facepiece respirators (FFRS) C. Elastomeric half-mask respirators (EHMRS) D. Elastomeric full facepiece respirators (EFFRS)

In **Mathematics** / **College** | 2025-08-20

[Homework Help] Suppose that the price p (in dollars) and the weekly sales of x cases of purple papaya satisfy the demand equation [tex]$2 p^3+x^2=4500$[/tex]. Determine the rate at which sales are changing at a time when [tex]$x =50, p =10$[/tex], and the price is falling at a rate of [tex]$0.50$[/tex] per week. a) Sales will increase at a rate of 3 cases of purple papaya b) Sales will increase at a rate of 5 cases of purple papaya c) Sales will increase at a rate of 7 cases of purple papaya d) Sales will increase at a rate of 9 cases of purple papaya

In **Mathematics** / **High School** | 2025-08-20

[Homework Help] Graph the equation [tex]y =5| x |[/tex]. Let [tex]x =-3,-2,-1,0,1,2[/tex], and 3. Find the following [tex]y[/tex]-values. Then choose the correct graph of the equation.

In **Mathematics** / **High School** | 2025-08-20

[Homework Help] \frac{1}{2} x-4<3 \quad\{7 \leq 3+5

In **Mathematics** / **High School** | 2025-08-20

[Homework Help] What is the value of the expression below when [tex]$w=3$[/tex] and [tex]$x=3$[/tex]? [tex]$10 w+5 x$[/tex]

In **Mathematics** / **College** | 2025-08-20

[Homework Help] $44 \overline{)2733}$

In **Mathematics** / **High School** | 2025-08-20

[Homework Help] \(\left(\frac{4 x}{3}-\frac{3 x-4}{6}=5-\frac{x-2}{2}\right.\)

In **Mathematics** / **High School** | 2025-08-20

[Homework Help] (1) [tex]$2 x^2+5 x\ \textless \ 12$[/tex]