A chemist received a radioactive sample that is suspected to contain U, 23U and other elements. The authority wants to know the distribution, qualitative and quantitative composition of the sample. Propose with justifications, ONE Surface analysis technique that can be performed on this sample
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A chemist received a radioactive sample that is suspected to contain U, 23U and other elements. The authority wants to know the distribution, qualitative and quantitative composition of the sample. Propose with justifications, ONE Surface analysis technique that can be performed on this sample.
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- Can you please explain how to input this equation on a calculator? I am not getting the correct answer when inputting the equation into my ti-84. Thanks.ally. * Question Completion Status: QUESTION 1 During the experiment, the mass of original sample of compound was 2.965 g, and the mass of copper obtained was 1.006 g. Based on these numbers, calculate the mass of chlorine in the original sample in grams. Include the unit and three decimal places in your answer. QUESTION 2 6. If 1.045 g of copper was obtained in the experiment, how many moles (mol) of copper is this? Include the unit and five decimal places in your answer. QUESTION 3 During the experiment, a student calculated the mass of chlorine in the compound to be 1.186 g. How many moles (mol) of chlorine are in the Save All Answers Click Save and Submit to save and submit. Click Save All Answers to save all answers. DELL IIPotentially Useful Information Spectrochemical Series: | < Br < SCN¯ < Cl° < NO3¯ < F° < OH° < C2O4²¯ ~ H2O < NCS° < NH3 < en < PPH3 く A student has three test tubes containing a metal (M) nitrate solution M(NO3)2 (aq) (where "M" represents a generic transition metal). The student adds aqueous ammonia (NH3) to one test tube, aqueous hydrochloric acid (HCI) to the second tube, and nothing more to the third tube, but forgets to label the tubes. After this, one test tube contains a red solution, one an orange solution, and one a yellow solution. Note: This metal, M, would follow the same rules that we used for Cu(II), Ni(II), and Co(II). The Jahn-Teller Effect does not apply. Complete each statement or answer each question below about the solutions in the three test tubes. The aqua complex causes less splitting of the d orbitals of the metal than the... ammonia complex. O chloro complex.
- use ion exchange method in analytical separation to separate mercury and nickel from polluted water using analytical steps and protocols.(A) if both sentences are true, (B) if both sentences are false, (C) if the first sentence is true but the second is false, and (D) if the first sentence is false but the second is true. 1. Radioactive wastes, like uranium, must be handled and disposed of according to special regulations designed to protect people and the environment. Nuclear power plants produce too much greenhouse gases due to the burning of uranium. 2. In the experiment on determining the dissolved oxygen concentration of a water sample, the compound used to acidify the sample was hydrochloric acid. An acidic solution will have a pH greater than 7. 3. Pure water has a slight blue coloration that goes deeper as the thickness of the sample increases. Water follows the temperature of its surrounding. 4. The solubility of oxygen in water increases at colder temperatures, and decreases at higher temperatures. DO can be measured in milligrams of oxygen (O2) per liter of water. 5. An atom is composed of three subatomic…The Halides experiment is a qualitative analysis type of experiment. Which of the following is not a qualitative observation? O Color change Increase in temperature O Formation of a gas (bubbles) Formation of an insoluble solid (precipitate)
- Mass spectrometry of chlorine from an asteroid sample is shown. Intensity 34 35 36 37 38 Mass u What is the relative abundance of 35C1 in this sample? 57.1% (42.9% _) 52.8%Potentially Useful Information Spectrochemical Series: I < Br < SCN < Cl° < NO3¯ < F° < OH° < C2O4² ~ H2O < NCS" < NH3 < en < PPH3 A student has three test tubes containing a metal (M) nitrate solution M(NO3)2 (aq) (where "M" represents a generic transition metal). The student adds aqueous ammonia (NH3) to one test tube, aqueous hydrochloric acid (HCI) to the second tube, and nothing more to the third tube, but forgets to label the tubes. After this, one test tube contains a red solution, one an orange solution, and one a yellow solution. Note: This metal, M, would follow the same rules that we used for Cu(II), Ni(II), and Co(II). The Jahn-Teller Effect does not apply. Complete each statement or answer each question below about the solutions in the three test tubes. The red solution contains a coordination complex with... O ammonia (NH3) as the ligand. chloride ion (CI') as the ligand. nitrate ion (N03°) as the ligand. water (H20) as the ligand.Q. 6. a- particles from a polonium source strike a thin gold foil of thickness 4 x 10-7 m. Most of the particles scatter in the forward direction but (1/6-17 x 106) fraction of a - particles are found to be scattered by more than 90°. Find the cross-section of this type scattering if the number of gold nuclei per unit volume is 5-9 x 1028 per meter.
- NUCLEAR CHEMISTRY: Consider the nuclei 1150 Sn. Determine its mass defect in kilograms if its atomic mass is 116.943 amu. The mass of a proton and neutron are 1.0073 and 1.0087 amu, respectively. Express your answers in three decimal places in scientific notation, i.e., 6.022e23 to represent 6.022 x 1023. Do not include the unit.A substance that changes color when exposed to acid or base solutions is called a/an .. ...... salt indicator molecule ionPotentially Useful Information Spectrochemical Series: I < Br < SCN < Cl` < NO3¯ < F° < OH° < C2O4² ~ H2O < NCS“ < NH3 < en < PPH3 A student has three test tubes containing a metal (M) nitrate solution M(NO3)2 (aq) (where "M" represents a generic transition metal). The student adds aqueous ammonia (NH3) to one test tube, aqueous hydrochloric acid (HCI) to the second tube, and nothing more to the third tube, but forgets to label the tubes. After this, one test tube contains a red solution, one an orange solution, and one a yellow solution. Note: This metal, M, would follow the same rules that we used for Cu(II), Ni(II), and Co(II). The Jahn-Teller Effect does not apply. Complete each statement or answer each question below about the solutions in the three test tubes. The coordination complex formed by adding HCI to the metal solution has a coordination number of... O 3 2