Viscometer Lab Report

versus time and 1/A versus time yielded exponential curves. The linearity of the curve of In(A) versus Time had a correlation coefficient of 0.6327. Tacitly, the deviation from expectations, assuming an ideal, perfect experiment with R2 = 1, is attributed to experimental errors (Trimm

Galvanometer has a word called sensitivity of galvanometer is defined as the current in micro ampere required to consume one millimeter deflection on a scale placed 1m away from a mirror. As with other formulas galvanometer has its own formula called a=the angle of deflection of the coil. Although, the currency of moving coil meters is dependent upon having a uniform and magnetic field. Is a very sensitive instrument used to measure the small currents of the order. Galvanometer gives the deflection which is proportional to the electric current flowing through it.

Aseptic technique was initiated at the beginning of this experiment by cleaning the work surface with disinfected wipes. Personal protectives equipment was also worn. The material utilized in this experiment was: S. epidermidis culture broth, sterile cotton swab, streak plate, forceps in 70% alcohol, a lit tea light, and the three antibiotic disks (novobiocin, gentamicin, penicillin). The first step, I divided a plate into three quadrants and labelled them with the different antibiotic names. Using the lit tea light, like a bursen burner, I flamed the mouth of the S. epidermidis culture.

(1991) connected the pressure transducer to a nipple by a polyethylene catheter and then punched two holes out of the tip of the nipple. These holes were used for the milk and catheter (Choi et al., 1991). The hole punched out for the catheter allowed the pressure transducer to be in direct communication with the oral cavity (Choi et al., 1991). The pressure transducer was connected to an amplifier which transmitted information to a writer (Choi et al., 1991). The infants received

The first method is broth culture. In broth culture, Escherichia coli are grown in a liquid medium. It is shown that the nutrient broth appeared to have sediment. This shows that Escherichia coli carries out anaerobic and aerobic respiration as it can survive anywhere in the broth. The second method is agar slope culture where Escherichia coli are grown on a slant agar in a test tube.

Then smear the dipped cotton tipped applicator onto the surface that you want to collect a culture from c. Gently roll the cotton tipped applicator into the gel appropriately labeled quarter of the petri dish. d. Throw the used cotton tipped applicator away e. Repeat a – d with three other surfaces. 7. Take a piece of parafilm and secure the side of the petri dish 8. Store the petri dish in the incubator Data: Day 1 Dish was spotted with slight growth of bacteria.

Furthermore, the confinement time, which is a measure of how quickly power is lost to the environment is given by τ_E=W/P_loss where W is the energy density and Ploss is the energy loss rate per unit volume (Lawson, J. “Some”). Finally, by taking the volume rate, which is a function of the number of reactions per volume per time, and multiplying by the charge of the particles, we get a quantity that we know must be greater than the power loss, per the initial criterion (Lawson, J. “Some Criteria for a Useful”). Doing some algebra, we can then reduce to the expression 〖nτ〗_E≥L T/σv where L is a constant, T is the temperature of the system, σ is the nuclear cross section, or chance that two particles have to collide, and v is the relative velocity of the two particles.

Kofler and Brukner have proven that this is indeed the case for any nontrivial time independent Hamiltonian \cite{kofler2008conditions}, in the next section I report the explicit proof. \section{LGI violation} Firstly note that in eq. (\ref{LGI}) just the upper bound is of interest, considering that we are summing three quantities bound in module to unity: Consider a general quantum system characterized by a set of energy eigenstate ${ \{ \ket{u_{i}}\}}$. The proof is effective for any initial state different from an eigenstate of \textbf{H}, for simplicity consider: This\footnote{Note that the ensemble of eigenvectors don't need to be restricted to these two values.} is assumed to be the result of the first measure (at time $t_{0}$), whom is assigned the eigenvalue +1, for every other state the eigenvalue is set to -1.

One way the reaction to occur, is explain as following: In the rate equation k is rate constant. The rate constant is independent of the concentrations of substances, but may depend on environmental factors such as temperatures . Therefore, when the concentration of propanone is increased, the value of k stays the same. This property can be used to find k with different concentrations and find the average in order to ensure that the value of k in specific temperature is reliable. In order to calculate activation energy, the rate constant must be calculated in different temperatures, in this particular experiment, rate constant is calculated in following temperatures: 9°C, 22°C, 29°C, 37°C, 45°C.

The mathematical relationship that exists between pressure and volume when temperature and quantity are held constant is that pressure is inversely proportional to volume. This relationship is known as Boyle’s Law. P1 x V1 = P2 x V2. When the volume of a container is decreased, when still containing the same amount of molecules, more molecules will hit the sides of the container, thus increasing the pressure. We were asked to graph pressure and the inverse of volume because the graph of pressure and inverse volume is inversely related to the graph of pressure and volume.