1. SEP Compare Data Of the metals shown in the figure, which has the highest melting point? Which has the lowest?

Q: In Chapter 1 of Astrobiology, A Very Short Introduction, the author talks about some special…

A: 1) It acts as a stable medium for biochemical processes. Water’s ability to dissolve most…

Q: Which parts of an element do not vary in number?a. electronsb. neutronsc. protonsd. All of these…

A: Electrons are negatively charged. Protons are positively charged. Neutrons are neutral.

Q: Generally YAC contains how many elements?a) 1b) 2c) 3d) 4

A: YAC stands for yeast artificial chromosomes and is widely used in the field of genetic engineering.…

Q: Which of the following can be attributed to water’s high specific heat? A- oil and water do not mix…

A: Specific heat definition : Amount of heat required to raise the temperature of 1 gram of a substance…

Q: 5. Give short description for each given Figure: 1.0- Parent glass Glass-ceramic 0.8 0.6- 04- 0.2-…

A: Dilatometric curve is the graphical representation of measure of expansion or shrinkage of a…

Q: Which element is the world's lightest metal and increasingly a vital component of batteries used in…

A: Any metals heaviness and lightness depends upon the density of that metal.  Density is defined as…

Q: What is the problem caused by 2. P. In your own words, what is acid rain? acid rain? 4jn your own…

A: Acid rain occurs when acid is produced in both wet and dry forms, such as raindrops and snow.

Q: 3. Are there any temperature plateaus (flat regions of the curve) on the temperature versus time…

A: For Q2 you need to send the graph. So I will answer Q3. Temperature plateaus(flat regions) if…

Q: | 4. Explain the following table in detail.? One by One food source explain in detail with respec I…

A: Fluoride is a mineral that can be found in a variety of ways in nature, including our food. Here are…

Q: Which element is the world's lightest metal and increasingly a vital component of batteries used in…

A: Metals are solid opaque  elements that has good conductivity of heat and electricity. Lightness of…

Q: 9. What bonds are affected by: а. Нeat b. Organic solvents c. Metallic salts d. Alkaloidal reagents…

A: Proteins are composed of amino acids linked by peptide or amide bonds (covalent), which form the…

Q: 1. Which of the following is the hardest type of coal?

A: Coal is a combustile black or brownish black sedimentary rock. coal is mostly carbon compound with…

Q: How do the unique properties of water allow life to exist on Earth? 2. If 65 percent of your body…

A: Water is one that posses unique property such as being  inorganic, transparent, tasteless, odorless,…

Q: Which of the following is true of oxygen that has 8 protons, 8 neutrons, and 8 electrons?      A. It…

A: All the atoms are composed of three subatomic particles, electrons, protons and neutrons.

Q: Explain in details 4 interactions among different minerals.

A: Minerals tend to interact more than other nutrients. This is because they have a tendency to form…

Q: Which of the following is an Organic Compund? a. Salt b. Water c. Calcium d. Vitamin C

A: Organic molecules are chemical compounds that consist of both carbon and hydrogen. Plants and other…

Q: When 5.58 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A: 2 questions are asked. According to guidelines, will answer the 1st question only. 100 ml water…

Q: (2) Express the normal human body temperature, 37°C, and the sun's surface temperature, ~6000°C, in…

A: So, for converting the degrees celcius to the degrees fahrenheit, the formula used is    (x°C × 9/5)…

Q: statement regarding kinetic energy is true? sc.7.P.112 A The kinetic energy of an object is A O…

A: Kinetic energy equals the mass of the moving object times the square of that object's speed (v2).

Q: 1. What form of energy is required for water to evaporate from the ocean to the atmosphere? *…

A: Water, which can exist in solid, liquid, and gaseous forms is composed of hydrogen and oxygen. Water…

Q: Refer to the table below: Oil Sample Saponification Number [A] 179 [B] 260 [C] 193 [D] 185 ✓ Which…

A: Saponification number represent the number of milligrams of KOH required to neutralize 1g of fat.…

Q: Why does salt melt ice? O a it lowers the freezing point of water O b it heats up the ice O c it…

A: Normally water freezes at 0°C to form ice.This is the normal freezing point of ice. Upon additon of…

Q: What is the Molarity of 4 moles of NaCl dissolved in 1L of water   part 2 You need to make a 1…

A: Molarity is defined as no of moles of solute which was dissolved in per liter of solution.…

Q: 10. Identify the following as either chemical change (C) or physical change (P) baking a pie melting…

A: A chemical change is a process during which one or more ingredient (reactant) chemically reacts to…

Q: Predict the pH of a sample of water if Kw were 10−10 or 10−20.

A: Kw is the equilibrium constant, which is denoted from the formula Kw = [H3O+] [OH-] = 10-14…

Q: 1. What is the name and chemical reaction that occurs near the hydrothermal

A: Hydrothermal vents are the results of seawater percolating down through fissures within the ocean…

Q: 1. How would it affect organisms living in cold climates if oil or alcohol were their main body…

A: Hello, thank you for your question, According to our policy we only solve one question, but this…

Q: 4. A bilayer polymer slab (1.2m long, 1.4m wide, 5 cm thick) is placed on a hot plate, which keeps…

A: This answer would have solved so nicely by handwritten note but you aksed for digitally so here you…

Q: What is the Carbon content of Cast Irons? O a) Less than 2% O b) More than 2% O Less than 14% O d)…

A: Cast iron An alloy of iron that contains 2 to 4 percent carbon, along with varying amount of silicon…

Q: 22) A mixture of NaCl and starch is placed in a dialyzing bag and immersed in distilled water. Which…

A: Dialysis is considered as the process, during which using filters blood is purified. This helps to…

Q: Highest melting point CH; (CH,)COOH CH;(CH, ),,COOH 12 CH; (CH, ),CH=CH(CH, ),COOH CH;CH, (CH=CHCH,…

A: A fatty acid is one of the most important biomolecules in our system. A fatty acid contains a…

Q: (i) MnO is basic whereas Mn207 is acidic in nature. Why? (ii) Transition metals form alloys. Why?…

A: Chemical compounds are the important basis of life. The compounds that are obtained from living…

Q: efer to the table below: Saponification Number 179 260 193 185 lodine Number 102 10 111 79 Oil…

A: Introduction Iodine number defined as the number of grams of iodine that are consumed by 100 gram…

Q: f a body of water is to support life, its dissolved oxygen should be _____ ppm or mg/L.

A: Water at lower temperature should have higher mg/L of dissolved oxygen and higher %DO while warmer ,…

Q: 13) Which of the following statements is TRUE? Carbon, hydrogen, oxygen, and calcium are the most…

A: All the living organisms are made from the elements such as carbon, hydrogen oxygen, calcium,…

Q: What is the most abundant element in the earth’s crust? Inthe human body? List the name and symbol…

A: Chemical element, also called element, any substance that cannot be decomposed into simpler…

Q: 1) If you need to set a water bath for an experiment at human body temperature, what would be the…

A: Polar molecules are those where there is a difference in electronegativity between the bonded atoms…

Q: Explain the principles behind the melting curve and how this helps determine G+C content. Include an…

A: Melting curve inspection is an evaluation of the dissociation features of double stranded DNA, in…

Q: A solution of calcium phosphate in water contain 235 gms of CP per L at 30 deg c. The density of the…

A: Percentage composition is calculated as the percentage by mass of individual elements contributed to…

Q: 8. is a clay type with a hydrogen bond? O Montmorillonite O Kaolinite O Vermiculite O Beidelite

A: Clay consists of minerals which are a complex of alumino-sillicates means oxides of aluminium and…

Q: 3. Trans-oleic acid (18:1,D9) has a melting temperature of (44.5C) and cis-oleic acid (18:1,D9) has…

A: Fatty acids are the hydrocarbon chains with the carboxylic group. The hydrocarbon chains of fatty…

Q: The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 10.56 grams of aluminum…

A: molality = weight of solute*1000/gram molecular weight of solute* weight of solvent in g =…

Q: What is the name of a representation of the physical world? Answer please A. Alloy B. Compound C.…

A: Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms.

Q: 1) A student measures the mass of an 8 cm3 block of brown sugar to be 12.9 g. What is the density of…

A: Density is a measure of mass per volume. Density and Volume are inversely proportional to each other

Q: The smallest unit of an element that still retains thedistinctive behavior of that element is an…

A: Given: Choose the correct answer: The smallest unit of an element that still retains the distinctive…

Q: Which element is a metal? A. C B. Rn C. CI D. Cr

A: The classification of chemicals into different groups and understanding their properties individual…