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Recent Questions

In **Chemistry** / **College** | 2025-07-03

[Done] Consider the reaction: [tex]2 NOCl(g) \leftrightarrow 2 NO(g)+Cl_2(g)[/tex] At equilibrium, the concentrations are as follows: [tex]\begin{array}{l} {[NOCl]=1.4 \cdot 10^{-2} M} \\ {[NO]=1.2: 10^{-3} M} \\ {\left[Cl_2\right]=2.2: 10^{-3} M} \end{array}[/tex] What is the value of [tex]K _{\text {eq }}[/tex] for the reaction expressed in scientific notation? A. [tex]1.6 \cdot 10^{-5}[/tex] B. [tex]6.2 \cdot 10^4[/tex] C. [tex]1.6: 10^5[/tex]

In **Arts** / **College** | 2025-07-03

[Done] What do you call art created in the present time?

In **Mathematics** / **High School** | 2025-07-03

[Done] Given the piecewise function shown below, select all of the statements that are true. [tex]f(x)=\left\{\begin{array}{c}2 x, x\ \textless \ 1 \\ 5, x=1 \\ x^2, x\ \textgreater \ 1\end{array}\right\[/tex] A. [tex]f(1)=5[/tex] B. [tex]f(2)=4[/tex] C. [tex]f(-2)=4[/tex] D. [tex]f(5)=1[/tex]

In **Mathematics** / **College** | 2025-07-03

[Done] Which statements are true? Select three options. The line $x=0$ is perpendicular to the line $y=-3$. All lines that are parallel to the $y$-axis are vertical lines. All lines that are perpendicular to the $x$-axis have a slope of 0. The equation of the line parallel to the $x$-axis that passes through the point $(2,-6)$ is $x=2$. The equation of the line perpendicular to the $y$-axis that passes through the point $(-5,1)$ is $y=1$.

In **Mathematics** / **High School** | 2025-07-03

[Done] Which expression is equivalent to $81^{\frac{1}{3}}$ ? A. $3 \sqrt[3]{3}$ B. $3 \sqrt{3^3}$ C. $9 \sqrt[3]{3}$ D. $27 \sqrt[3]{3}$

In **Social Studies** / **College** | 2025-07-03

[Done] Households are a necessary part of the circular flow of goods because they: A. sell resources directly to businesses. B. provide services that businesses cannot. C. reduce the influence of resource markets. D. buy the goods sold at product markets.

In **Mathematics** / **College** | 2025-07-03

[Done] What is the value of the 5th term of the expansion $(2 x-4)^4$?

In **Chemistry** / **College** | 2025-07-03

[Done] What is eudiometry in chemistry and its applications in calculations?

In **Medicine** / **College** | 2025-07-03

[Done] A tonometer is used to measure: A. intraocular pressure. B. peripheral vision. C. distance vision. D. near vision.

In **Mathematics** / **College** | 2025-07-03

[Done] Which function represents a vertical stretch of an exponential function? [tex]f(x)=3(\frac{1}{2})^x[/tex] [tex]f(x)=\frac{1}{2}(3)^x[/tex] [tex]f(x)=(3)^{2 x}[/tex] [tex]f(x)=3^{(\frac{1}{2} x)}[/tex]