Pdp Lab Report

The mole is a convenient unit for analyzing chemical reactions. Avogadro’s number is equal to the mole. The mass of a mole of any compound or element is the mass in grams that corresponds to the molecular formula, also known as the atomic mass. In this experiment, you will observe the reaction of iron nails with a solution of copper (II) chloride and determine the number of moles involved in the reaction. You will determine the number of moles of copper produced in the reaction of iron and copper (II) chloride, determine the number of moles of iron used up in the reaction of iron and copper (II) chloride, determine the ratio of moles of iron to moles of copper, and determine the number of atoms and formula units involved in

In the question, it defined date 1 as the first trading day of the study period. Date 0 which is one day before the first trading day Date 1. First of all, using excel to set up the time index column to arrange the date of the trading day. The range of the data is from date 0 to 1087.

What is its melting point? 1,405 K: 1,132 C: 2,070 F. boiling point? 4,404 K: 4,131 C: 7,468 F

First, we need to plug in the variables into the numbers from the information to create our first equation for the system. 3j (glasses of orange juice) + 5p (5 pancakes) = 7.60. Now, plug in the variables into the numbers from the information for the second equation for the system. j ( a glass of orange juice) + 2p ( 2 pancakes) = 2.90.

Ionic compounds are soluble in water to a certain point depending on the compound. The level of solubility changes among different compounds. Some ionic compounds can completely dissolve in water and appear to be a homogeneous mixture. Although, some ionic compounds dissolve very little, and could be considered insoluble, since it does not dissolve fully. Depending on the compound, the level of solubility can be high or low. However, ionic compounds could dissolve to a certain degree. If the solution appears to be a heterogeneous mixture, many may assume through visual representation that it may be insoluble. As stated previously, the smallest amount of solubility should be considered. To confirm whether or not the substance is soluble, observe the efficiency when conducting electricity. Due to practical reasons, the slightest solubility could be considered insoluble by people.

The atom of an element has electrons that are found around the nucleus in regions known as orbitals. When energy is absorbed by the electrons of an atom they begin to jump to higher energy levels. When this happens the electrons are in an excited state. However when the electrons begin to release the energy and drop in energy levels they emit electromagnetic radiation. If the radiation that is emitted falls between 400 to 700 nanometers then the electrons emit photons which we can see as visible light.

We made a table to help us figure out how to find the pattern. In Table 1.2, the first column you see the number of cuts. The second column is the most pieces possible, and the last column is the differences we got between the upper bound of the cut before and the cut we were on. For example, we got four pieces for two cuts and seven pieces for three cuts, this means that between two cuts and three cuts there was a difference of three pieces. We noticed that the difference was also equal to the number of cuts.

Table 2: Consists of color extract taken from a red cabbage for a natural indicator. The pH reading that was measured by using the pH meter and the result of the pH reading to determine whether the solution was acidic or basic.

I can use these three values to characterize the structure, charge, and the mass of an atom by using the knowledge I know already. In the problem this atom has 3 protons so its atomic number will be 3 and its mass number equal the number of protons plus number of neutrons equal which you can write like this 3 + 4. The problem 3 + 4 will equal 7. This atom also has 3 electrons, balancing the charge of 3 protons that exist in its nucleus, concluding that this atom has an atomic number of 3 and a mass number 7. The element is

| On the Summary worksheet, in cell B11, use the NOW function to display the current date.

2. (5 pts) List and explain the names and affiliations of the various characters/stakeholders in this story – I’m looking for us to use the story to map out the complexities that are generally associated with solving public health puzzles – the stakeholders you list and explain here should apply to many of the cases we consider going forward.

and its purpose is to present a round up of the days events in a more

This flowchart is used to show the connection between different screens on the BarCrawl Application.

* Implement a Pull System where customer demand dictates the production level. Visual controls are used to trigger upstream links in the value stream to initiate additional productions. Automatically signals replenish the parts of upstream links without the need to prepare paperwork such as a material requisition.

red line) and wet edge (horizontal blue line) Daily (24 hours) Rn was estimated by using the