ALL Problems

Topic	Problem	Solution
None	In a system the mass is kept constant. The initia…	$P_{1} V_{1} / T_{1} = P_{2} V_{2} / T_{2}$
None	In a system the temperature and mass are kept con…	1. Use Boyle's Law: $P_{1} V_{1} = P_{2} V_{2}$
None	The weight of oranges growing in an orchard is no…	Find the difference between the given weight and mean weight in terms of standard deviations.
None	In a system the mass is kept constant. The initia…	1. Convert Celsius to Kelvin: $T_{1} = {91.2}^{\circ} C + 273.15 = 364.35 K$ , \(T_…
None	In a system the volume and mass are kept constant…	1. Apply Gay-Lussac's Law: $\frac{P_{1}}{T_{1}} = \frac{P_{2}}{T_{2}}$
None	In a system the mass is kept constant. The initia…	$T_{1} = 31.1 + 273.15 = 304.25 K$
None	In a system the volume and mass are kept constant…	\( P_1 = 6.6 \, \mathrm{torr}, \; T_1 = 135.2 { }^{\circ} \mathrm{C}, \; P_2 = 15.3 \, \mathrm{torr…
None	In a system the temperature and mass are kept con…	1. $P_{1} V_{1} = P_{2} V_{2}$
None	$\frac{1}{2} - \frac{1}{12} =$	$lcm (2, 12) = 12$
None	Given that $f (x) = x + 2, g (x) = - 5 x$ and \( h(x)=…	$h (x) = 2 f (x - 2) - 3 g (x - 3)$
None	Given that $f (x) = - 2 x, g (x) = x - 5$ and \( h(x)=…	$h (x) = 3 f (x - 2) + g (x)$
None	Use the balanced equation to solve the problem. \…	$\frac{3 O_{2}}{4 Al} = \frac{x mol}{2.80 mol}$
None	Find the area of the triangle. Round to the neare…	1. Calculate semi-perimeter: $s = \frac{a + b + c}{2}$
None	\( \begin{array}{r}7.68 \ \times 40.6 \ \hline\…	$768 \times 406$
None	Multiply. \[ \begin{array}{r} 7.89 \ \times \qua…	$7.89 \times 6.5 = \frac{789}{100} \times \frac{65}{10}$
None	6. Since 1992, the value of homes in a neighborho…	a. Since 2000 is 8 years after 1992, divide 16 years by 2 to get the half-growth period: \(\frac{16…
None	$\begin{array}{r} 3 \\ \times 3 \end{array}$	$3 \times 3$
None	$3 \times 3$	$3 \times 3 = 9$
None	Get 4 correct answers 0 Divide the monomials and …	$- \frac{9 z^{7} x^{4}}{7 z^{4}} = - \frac{9}{7} \cdot \frac{z^{7}}{z^{4}} \cdot x^{4}$
None	Find the solution of the system of equations. \[ …	Step 1: Solve the second equation for $x$ : $x = \frac{- 5 y - 46}{3}$

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