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1.6. Common indicators are anionic dyes that are attracted to positively charged particles produced immediately after...
Which statement is false? 27- (A) protons are positively charged particles (B) electrons are negatively charged...
Which statement is false? 27- (A) protons are positively charged particles (B) electrons are negatively charged particles (C) the mass of a proton is greater than the mass of an electron (D) some elements have a neutral nucleus The correct name of the compound having the formula HgS is: (A) mercury(II) sulfide (B) mercury sulfite 28. (C) mercury sulfate (D) mercury(U) sulfide 29. The correct name of the compound having the formula NayPOs is (A) trisodium phosphate (B) sodium(IID phosphate...
8) A proton is placed at rest near a positively charged plate. The proton is released...
8) A proton is placed at rest near a positively charged plate. The proton is released and travels in the positive x direction. The proton reaches a velocity of 85000 m/s at the point when the potential is zero. (mproton = 1.67 x 10-27 kg, et = 1.6 x 10-19 C) a) What is the electric potential at the positively charged plate? A X b) The proton then enters a 9 T magnetic field directed into the page. Choose the...
4. [16 pts Answer by True or Ealse and correct the wrong statements if any. TF...
4. [16 pts Answer by True or Ealse and correct the wrong statements if any. TF A. The main use of a buffer is to maintain the pH value of a solution Correction, if any B. A buffer could be made of HCl as the acid and as the conjugate base. Correction, if any C. The equivalence point in acid-base titration is reached when the volume of the acid present equals the volume of the added base. Correction, if any:...
direction while particle 2 travels along the positive y direction, Two positively charged particles are travelling...
direction while particle 2 travels along the positive y direction, Two positively charged particles are travelling through space in each others' vicinity. Using the standard r-y-z coordinate grid, particle 1 travels along the positive heading directly for the first particle from below. 3) Which combination of options below are the most accurate combination of statements. [Enter your answer as a string of the letter options you believe are correct. For instance, if you think options A, D, and E are...
4. [16 pts|Answer by True or False and correct the wrong statements if any. T F...
4. [16 pts|Answer by True or False and correct the wrong statements if any. T F A. The main use of a buffer is to increase the pH value of a solution Correction, if any B. A buffer could not be made of HCl as the acid and Cr as the Correction, if any: conjugate base C. The equivalence point in acid-base titration is reached when the number of moles of the acid present equals the number of moles of...
5. Which of the followin g is After the DNA unwinds only one strand acts as...
5. Which of the followin g is After the DNA unwinds only one strand acts as a compliance The two strands only act as a plate when paired In prokaryotes the binding of RNAP the two strands After the DNA unwind hath DNA strands at templates occurs randomly on either of of RNA polymerase to unwound DNA Occurs 14. What is an anticodon? The three RNA behaal with nifie umino acid. The three RNA bases that air with a c...
(a) Which part of an atom is positively charged, and which part is negatively charged? (b)...
(a) Which part of an atom is positively charged, and which part is negatively charged? (b) How does the charge of an electron compare with the charge of another electron? (c) How does the charge of an electron compare with the charge of a proton? Can charge be created or destroyed? How does that answer relate to the conservation of charge? How is electric charge similar to mass? How are they different? What are two ways electric charge can be...
base pairing Done stand is positively charged and th one strand contains only purind e DNA...
base pairing Done stand is positively charged and th one strand contains only purind e DNA elych o ly me h 40) En me that wind the DNA strands during replication A. helicase B. mucienne E primase D. DNA polymerase 41) The leading and the lasing and differ in that A) the leading strand is synthesized in the same direction is the movement of the replication fork, and the lagring strand is synthesized in the opposite direction B) the leading...
1. For each of the following, predict whether an aqueous solution of the salt would be...
1. For each of the following, predict whether an aqueous solution of the salt would be acidic, basic or neutral. Explain. a. Nacis b. NaF c. NHIS d. KHCO3 e. (CH3)2NH2NO31 2. What is the pH of a solution that is 0.060 M in potassium propionate (CH3CH2COOK) and 0.085M in propionic acid (CH3CH2COOH)? The Ka for propionic acid is 1.3x10-5.5 3. Suppose you need to prepare a buffer for a pH of 10.6. An acid-base pair (HA/A') to use has...
PREVIEW WORKSHEET FOR EXPERIMENT A "RADIOACTIVITY AND ABSORPTION OF RADIOACTIVE PARTICLES Fill-in-the-blank survey about some basic...
PREVIEW WORKSHEET FOR EXPERIMENT A "RADIOACTIVITY AND ABSORPTION OF RADIOACTIVE PARTICLES Fill-in-the-blank survey about some basic atomic and nuclear information. In the following fill in each blank with the appropriate word or number. You can get most of these answers by watching https://www.youtube.com/watch?v 1UhJL7o6_cA and the rest by Googling the topic. a) The three main building blocks of the atom are the protons the electnnsand the ns b) The rntons and the neutons are the two nuclear particles and, collectively,...
Which statement is false? 27- (A) protons are positively charged particles (B) electrons are negatively charged particles (C) the mass of a proton is greater than the mass of an electron (D) some elements have a neutral nucleus The correct name of the compound having the formula HgS is: (A) mercury(II) sulfide (B) mercury sulfite 28. (C) mercury sulfate (D) mercury(U) sulfide 29. The correct name of the compound having the formula NayPOs is (A) trisodium phosphate (B) sodium(IID phosphate...
8) A proton is placed at rest near a positively charged plate. The proton is released and travels in the positive x direction. The proton reaches a velocity of 85000 m/s at the point when the potential is zero. (mproton = 1.67 x 10-27 kg, et = 1.6 x 10-19 C) a) What is the electric potential at the positively charged plate? A X b) The proton then enters a 9 T magnetic field directed into the page. Choose the...
4. [16 pts Answer by True or Ealse and correct the wrong statements if any. TF A. The main use of a buffer is to maintain the pH value of a solution Correction, if any B. A buffer could be made of HCl as the acid and as the conjugate base. Correction, if any C. The equivalence point in acid-base titration is reached when the volume of the acid present equals the volume of the added base. Correction, if any:...
direction while particle 2 travels along the positive y direction, Two positively charged particles are travelling through space in each others' vicinity. Using the standard r-y-z coordinate grid, particle 1 travels along the positive heading directly for the first particle from below. 3) Which combination of options below are the most accurate combination of statements. [Enter your answer as a string of the letter options you believe are correct. For instance, if you think options A, D, and E are...
4. [16 pts|Answer by True or False and correct the wrong statements if any. T F A. The main use of a buffer is to increase the pH value of a solution Correction, if any B. A buffer could not be made of HCl as the acid and Cr as the Correction, if any: conjugate base C. The equivalence point in acid-base titration is reached when the number of moles of the acid present equals the number of moles of...
5. Which of the followin g is After the DNA unwinds only one strand acts as a compliance The two strands only act as a plate when paired In prokaryotes the binding of RNAP the two strands After the DNA unwind hath DNA strands at templates occurs randomly on either of of RNA polymerase to unwound DNA Occurs 14. What is an anticodon? The three RNA behaal with nifie umino acid. The three RNA bases that air with a c...
base pairing Done stand is positively charged and th one strand contains only purind e DNA elych o ly me h 40) En me that wind the DNA strands during replication A. helicase B. mucienne E primase D. DNA polymerase 41) The leading and the lasing and differ in that A) the leading strand is synthesized in the same direction is the movement of the replication fork, and the lagring strand is synthesized in the opposite direction B) the leading...
1. For each of the following, predict whether an aqueous solution of the salt would be acidic, basic or neutral. Explain. a. Nacis b. NaF c. NHIS d. KHCO3 e. (CH3)2NH2NO31 2. What is the pH of a solution that is 0.060 M in potassium propionate (CH3CH2COOK) and 0.085M in propionic acid (CH3CH2COOH)? The Ka for propionic acid is 1.3x10-5.5 3. Suppose you need to prepare a buffer for a pH of 10.6. An acid-base pair (HA/A') to use has...
PREVIEW WORKSHEET FOR EXPERIMENT A "RADIOACTIVITY AND ABSORPTION OF RADIOACTIVE PARTICLES Fill-in-the-blank survey about some basic atomic and nuclear information. In the following fill in each blank with the appropriate word or number. You can get most of these answers by watching https://www.youtube.com/watch?v 1UhJL7o6_cA and the rest by Googling the topic. a) The three main building blocks of the atom are the protons the electnnsand the ns b) The rntons and the neutons are the two nuclear particles and, collectively,...
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