Example 35820 g of marble contuining \( 90 \% \mathrm{CaCO}_{3} \) is allowed to react with 50 g of a concentrated acid containing \( 36.5 \% \) HCI by mass. Find the (a) limiting reactant (b) number of moles of excess reagent left over unreacted (c) mass of salt in gram (d) volume of \( \mathrm{CO}_{2} \) gas liberated at NTP. Solution

Let \( U=\{1,2,3, \ldots-10\} \) be a universal set. \( A=3 \times 1 \) is a positive factor of 10 in \( U \) ind \( B=\{\times 1 \times \) is an odd integers in U? be sets. \( A_{1} \) find \( A^{\prime} \) and \( B^{\prime} \) \( B_{1} \) find \( A \cup B^{\prime} \) and \( A^{\prime} n B^{\prime} \). What do you abserve from the answers?

Calculate the range, in centimetres (cm), of the following lengths: \( 13.2 \mathrm{~cm}, \quad 32 \mathrm{~cm}, \quad 21.6 \mathrm{~cm}, \quad 0.5 \mathrm{~cm}, \quad 6.7 \mathrm{~cm}, \quad 16 \mathrm{~cm} \)

Which techniques have made it possible to locate genes, map them, isolate them, sequence them, and transfer them between Southern blot Polymerase chain reaction DNA microarrays recombinant DNA technology DNA cloning

Exer cício 9: Em cada situaçāo abaixo, obtenha a equaçāo da reta tangente à curva \( y(x) \) no pon to \( P \) : \( \begin{array}{lll}\text { (a) } y(x)=2, P(5,2) . & \text { (b) } y(x)=3 x+6, P\left(\frac{1}{3}, 7\right) . & \text { (c) } y(x)=x^{3}-3 x^{2}+4 x-1, P(-1,-9) \\ \text { (d) } y(x)=\frac{1}{x+2}, P\left(4, \frac{1}{6}\right) . & \text { (e) } y(x)=\sqrt{x^{2}+16}, P(3,5) . & \text { (f) } y(x)=\frac{\sqrt{x-1}}{x^{2}+1}, P\left(2, \frac{1}{5}\right)\end{array} \)

\begin{tabular}{c} Matching part 2: \\ \hline Magisterium \\ synod \\ infallibility \\ inpeccability \\ ecumenical council \end{tabular}