Give the name and formula of the unknown compound
A 1.5g sample of unknown alkali metal carbonate was dissolved in water, and 31.10mL of 0.350M CaCl2 was required to precipitate all the carbonate ions as CaCO3. Give the name and formula of the unknown compound.
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New materials often lead to new technologies that change society. Describe how silicon-based semiconductors revolutionized computing.
The majority of cholesterol use in the body is for
A student titrates a soln containing 0.254 g of a monoprotic acid in 35 ml of water. the student reaches the endpoint after adding 18.35 ml of 0.107 M NaOH. How many moles of the acid are present in the sample? What is the molecular weight of the
A truck travels 1350 m uphill along a road that makes a constant angle of 4.42 degrees with the horizontal. Find the magnitude of the truck's vertical component of displacement, answer in units of meters. Find the magnitude of the truck's vertical
The following question refers to the following system: 3.5 x 102 mL of 3.2 M Pb(NO3)2 and 2.0 x 102 mL of 0.020 M NaCl are added together. Ksp for the lead chloride is 1.6 x 10-5. Determine the equilibrium concentration of the chloride ion. A. 3.
Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 1.096776 × 107 m-1).
The 7.0N frictional force is applied at a point 40cm from the chair's rotation axis, in the direction that causes the greatest angular acceleration. If that angular acceleration is 1.8rad/s^2, what is the total momentum of inertia about the axis o
Why is it important to create alliances between and organization and its internal and external stakeholders? What issues can these alliances prevent?
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What types of unconscious or implicit bias might be present? How could they shape people's actions, decisions, or access to resources?
Identify factors that lead to poor performance in STEM by most schools. How can INSET programs be used to improve teacher's pedagody in STEM?
In this week's video, what stood out the most to me was how clearly research separates what "looks helpful" from what actually works.
Problem: Re-word but keep the same content - Social pedagogy is evident in schools through a strong focus on relationships,
Describe a social condition in your community or the community of someone you know. How did that social condition motivate active citizens to exercise
Please provide a response with APA citations and references to "When we talk about stigma related to people with psychological disorders
Communication, creativity and decision-making skills are essential to daily life. In this course, you learned about the development of language