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Problem- Chrlorine is used extensively as a distinct and bleaching agent. Without regard to adverse effects or costs would bromine be a more or less effective distinctive and bleaching agent?
I need proficient help to solve the above problem
Problem- An atom of a particular element is traveling at 1% of the speed of light. The de Broglie wavelength is found to be 4.15???10?3 pm. Which element is this
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt.
a toothpaste contains 0.24 by mass sodium fluoride used to prevent dental caries and 0.30 by mass triclosan a
Problem- Oxalic acid (H2C2O4) reacts with chromate ion in acidic solution as follows: 3H2C2O4 (aq) + 2CrO4 2- (aq) + 10 H+ (aq) = 6CO2 (g) = 2Cr3+ (aq) +8H2O (I) oxalic acid.
A star has a mass of 2.04 1030 kg, three-quarters of which is hydrogen. The mass of a hydrogen atom is 1.67 10-27 kg. How many hydrogen atoms does the Sun contain. Use powers-of-ten notation.
1.0 M aqueous solutions of the following substances are prepared. Which one would you expect to have the lowest electrical conductivity
using a gas sample of 757 ml is compressed at stp to a volume of 118 ml and the temperature raised to 39 degrees c.
Write the rate law for the clock reaction (equation 1) using variable for exponents.
steam flows steadily through an uninsulated turbine. the inlet conditions of the steam are 6 mpa 400degc and 80 ms and
A tiny speck (8.3 x 10-7 mol) of americium-241 is used in smoke detectors, how many atoms of americium-241 are there in one of these smoke detectors?
The standard reduction potentials of the X1+/X and Y3+/Y couples are 0.23 V and -0.28 V, respectively. What is the cell potential (to the nearest 0.01 V) of the galvanic cell constructed from the two couples if [X1+] = 0.213 M and [Y3+] = 0.0100 M
An experiment shows that a 115 mL gas sample has a mass of 0.170 g at a pressure of 711 mm Hg and a temperature of 33 Celcius. What is the molar mass?
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