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1. In nothern crete, mixed deposits of volcanic ash, building debris, cultural material, and marine fossils near the beach are compared to those found in coastal regions after what modern disaster?
2. What does a beach deposit of mixed ash, building debris, marine fossils, and pottery near palekastro prove?
3. What is the most scientific evidence of an eruption 3500 years ago on santorini?
thionyl chloride socl2 is used as a very powerfuldrying agent in many synthetic chemistry experiments in which
If 1.056g of a metal carbonates containing an unknown metal M, is heated to give the metal oxide & 0.376g of CO2 as per to the subsequent equation. ==> MCO 3(s) + heat --> MO(s) + CO2(g) Explain what is the identity of the metal
How to calculate the ratio of the masses of the buffer components required to make the buffer? m(NH3) / m(NH4Cl) ph= 9.00
Cesium atoms are the largest naturally occurring atoms. The radius of a Cs atom is 2.62angstroms. How many Cs atoms would have to be laid side by side to give a row of Cs atoms
many gases are shipped in high pressure containers. consider asteel tank whos volume is 65l and which contains o2 gas
The densities of the two allotropes are 2.27g/cm3 (graphite) and 3.52 g/cm3 (diamond) at the temperature of the environment. Explain By how much does U for the transition differ from H in a region where the pressure is 500 kbar
Calculate the amount of water (in grams) that must be added to each of the following substances to produce the indicated solution 8.10g of urea(NH2)2CO in the preparation of 21.8 percent by mass solution 30.4g MgCl2 in the preparation of a 4.8 per..
A typical backyard swimming pool holds 150 yd^3 of water. What is the mass in pounds of the water?
Commercial grade hcl are typically 39% by mass HCL in water. determine mole fraction of HCL has solution has density
When an irregularly shaped chuck of silicon weighing 8.763 g was placed in a graduated cylinder containing 25.00 mL of water, the water level in the cylinder rose to 28.76 mL. What is the density of silicon in g/cm^3
Calculate the total translational kinetic energy of the air molecules in a spherical balloon of radius 43.0 cm at 24 Celsius and 1.2atm is this enough energy to heat 200 ml of water from 20 Celsius to 90 Celsius for a cup of tea
You have a dozen eggs at home, and you know that with them you can make 100 muffins. If you find that half of the eggs have gone bad and can't be used, how many muffins can you make. Express your answer as an integer.
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