Type the correct answer in each box. Use numerals instead of words. Express your answer in scientific notation. The isotope chlorine-36 decays into argon-36, with a half-life of \( 3.01 \times 10^{5} \) years. Based on this information, fill in the blanks. A particular sample contains \( 3 \times 10^{12} \) atoms of chlorine-36. After \( 9.03 \times 10^{5} \) years, there will atoms of argon-36.

3.Un trozo de hierro de 50 gramos se calienta a \( 100^{\circ} \mathrm{C} \) y luego se pone en agua fria, donde su emperatura baja a \( 30^{\circ} \mathrm{C} \) ¿Cuantas calorias cede el hierro al egua? (Ce s \( \mathrm{e}^{\left.-0.11 \mathrm{cal} / \mathrm{g}^{\circ} \mathrm{C}\right)} \)

Which of the following is the function of the atomiser in the emission system of Atomic Absorption Spectroscopy? To split the beam into two To break the steady light into pulsating light To break large mass of liquid into small drops To reduce the sample into atomic state

À l'aide des documents, dire si l'eau oxygénée peut mettre en évidence une tache de sang et décrire ce que doit observer Justine si elle en applique sur la tache. S'appuyer sur des équations d'oxydoréduction pour étayer vos propos.

Question 1 Releasing agents are used in atomic emission spectroscopy to prevent O Cationic interference O Anionic interference Ooth anionic and cationic O Physical interference

Which of the following is an example of anionic interference in atomic emission spectroscopy? O Interference of high concentration of sodium ions in assay calcium ions. Interference by formation of less volatile salt with sulphat by calcium. Decreased drop size of the analyte solution by alcohols.