What is the effect of pressure on a liquid’s boiling point?
Q: What is the overall effect of pH when we breath into water? Why do we observe this effect?
A: The pH of water is 7. When we breath, then the carbon dioxide is released.
Q: What is the formula for water vapor
A: Water can be in three possible stetes in the free environment i.e. solid, liquid and gas. Water…
Q: As the temperature decreases, what happens to the volume?
A: As we increase the temperature of the system, more energy is supplied to the atoms. So, at higher…
Q: At high concentration which oxides are poisonous?
A: The major contributors of the air pollution are nitrogen oxides. They have role in the formation of…
Q: What is the difference between solids, liquids, and gases?
A: The distinct forms in which the matter exists are known as states of matter. The three most…
Q: What are Ionic interactions?
A: Electrostatic attraction is the attraction between atoms that have opposite charges. There are four…
Q: What is insensible water?
A: Water is one of the most important compound needed for the survival of life on earth.
Q: What is the mass number of hydrogen? Of helium?
A: The total number of protons and neutrons in an atomic nucleus is called the mass number.
Q: What is electrolyte balance?
A: An equilibrium between the amount of electrolytes such as calcium, potassium and sodium that is…
Q: How many kilocalories are needed to vaporize 5.8 mol of Br2?
A: Bromine is a dark reddish-brown fuming liquid with a pungent odor. Denser than water and soluble in…
Q: What happens when a strong acid such as HBr is dissolved in water?
A: An acid is a molecule that releases hydrogen ions in a solution and when the solution is of water,…
Q: How is oxygen dissolved in water?
A: Water is polar molecule and oxygen is non polar molecules in which electron density is normally…
Q: What is the ph of human blood?
A: Blood pH is important part of health system. Many factors control the blood pH.
Q: Explain the boiling point of a compound ?
A: The melting point is the temperature when a solid substance is starting to convert into liquid. The…
Q: How many moles of chlorine gas at 120. °C and 33.3 atm would occupy a vessel of 39.0 L?
A: The ideal gas law is the equation of state of a hypothetical ideal gas. It is a good approximation…
Q: What happens when ionizing radiation strikes an atom in a chemical compound?
A: Ionising radiation is radiation, travelling as a particle or electromagnetic wave, that carries…
Q: What is meant by ph?
A: pH is abbreviated as the power of hydrogen or potential of hydrogen.
Q: what is electrolytes imbalance?
A: In the human body, 60% of the weight is contributed by water, with 40% intracellular and 20%…
Q: Describe ionization and distinguish between anions and cations.
A: Ion, is any atom or group of atoms with electric charges positive or negative.
Q: If you hold your breath for 30 seconds, what is likely to happen to your blood pH?
A: Breathing is the process in which air is expelled and taken in the lungs for exchange of oxygen.
Q: Why is 350°C water emitted from a black smoker not boiling?
A: Black smokers are one of the types of hydrothermal vents that are found in deep sea beds and appear…
Q: Which element is likely to lose an electron more easily, Mg or S?
A: Valency of an element is the combining power or combining capacity of the element with other atoms…
Q: Why do we want to know the pH?
A: pH is defined as the quantitative measure of the acidity or basicity of aqueous or other liquid…
Q: What are weak electrostatic bonds that result in a partial sharing of hydrogen atoms between…
A: A hydrogen bond is an electrostatic attraction between a proton in one molecule and an…
Q: What cells in the body produce hydrogen peroxide?
A: Hydrogen peroxide is a natural chemical which is toxic but still produced by body cells.
Q: As pH increases, there is increasingly more H+ than OH-
A: The pH of a solution is the log of hydrogen ion concentration with a negative sign. pH = -log (H+)…
Q: How many liters of dry hydrogen gas, measured at 798 mmHg and 21C, will be released by the…
A: When change in pressure, volume and temperature occurs than the combined gas law is used. Combined…
Q: What happens when hydrochloric acid is dissolved in water?
A: Hydrochloric acid is a strong acid, on dilution in water the hydrochloric acid will dissociate into…
Q: what does ph mean
A: We have to define pH.
Q: Which has greater entropy, liquid water at 0°C or ice at 0°C?
A: The measurement of the thermal energy of the particular structure with temperature when there is no…
Q: What ions turns litmus red? What ions turns litmus blue?
A: Litmus is defined as a combination of different dyes that are water soluble and are extracted from…
Q: which liquid is most like water and would support human life?
A: Water is an essential requirement for life on Earth as it functions as a solvent. It can dissolve…
Q: What is the steady-state accumulation of mercury in a person who eats 500 g of tuna daily that…
A: Carbohydrates, lipids, proteins, vitamins, minerals, water, and a variety of other components make…
Q: Why does a lower salinity of water increase the solubility of gas?
A: Factors which influence the solubility of a gas in water are as follows: Temperature decreases…
Q: What is the written the equation for the reaction between Hydrogen and Oxygen that produces water?
A: Water (H2O) is composed of hydrogen and oxygen. Hydrogen will react with oxygen when it is ignited…
Q: what is the chemical formula for cooking oil?
A: Cooking oil consists of a mixture of the different types of the fatty acids added to cook and give…
Q: What is substance P?
A: Amino acids are biomolecules that are comprised of two functional groups, these are an amino group…
Q: Explain Ionic Forms of Elements Most Frequently Encountered in the Body?
A: Although inorganic substances (minerals) are also essential for a healthy body, organic molecules…
Q: Which are the Trace Elements: Less than 0.01% of Total Atoms in the Body?
A: On Earth, 92 elements are found in their native state. Only 11 of these elements are present in…
Q: What three elements are required to start and sustain a fire?
A: For a chemical reaction to carry out, we need chemical compounds, atoms, or some molecules to react…
Q: A helium gas cylinder of the sort used to fill balloons has a volume of 0.180 m3 and a pressure of…
A: The ideal gas law is equation of state of a hypothetical ideal gas where the Pressure, Volume,…
Q: What is a dehydration reaction ?
A: Description of a dehydration reaction.
Q: Explain the transport of carbon dioxide from the tissues to the blood and through the lungs to the…
A: Carbon dioxide and oxygen transfer between tissues, lungs, and the atmosphere occur with the help of…
Q: What compounds tend to be non-electrolytes? What are the exceptions?
A: A substance that dissolves in water is classified according to whether they yield molecules or ions…
What is the effect of pressure on a liquid’s boiling point?
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- The vapour pressure of water at blood temperature is 47 Torr. What is the partial pressure of dry air in our lungs when the total pressure is 760 Torr?A helium gas cylinder of the sort used to fill balloons has a volume of 0.180 m3 and a pressure of 150 X 105 Pa (150 atm) at 298 K (25 °C). How many moles of helium are in the tank? How many grams?What is the difference between solids, liquids, and gases?
- What is the written the equation for the reaction between Hydrogen and Oxygen that produces water?When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the resulting solution is -2.8 °C (270.35 K), How many ions does the substance give when it dissolves?46. 7:03 O 48 6.1 Colligative Properties of Nonelectrolyte Solutions: Vapor-.. Questions Question 5/10 What is the vapor pressure of an aqueous solution that has a solute mole fraction of 0.300? The vapor pressure of water is 25.756 mmHg at 25 °C. Choose an answer 1.00 mmHg 2.45 mmHg 6.03 mmHg 18.03 mmHg Answer
- A sample of 8.00 mol of gas in a 10.00 L container is at 45.0 °C. What is the pressure (in atm) of the gas?0.47 absorbance/ 4713.6 mol/L =In scientific notation please & 0.57 abosorbance/4713.6 mol/L=If the pH of a voledronic acid solution is 5.8, and the voledronate concentration is 9 mM, what is the concentration of voledronic acid? (pKa=5.0) 1.4 0.5 185.2 20 379.5