Posts by Ray Collins:
question (DEF.) A set of instructions that tells the computer what to do. answer software question (DEF.) An instruction set that allows for us to interact with and use the computer, even if we lack specialized programming skills. answer program question What are a computer’s 2 main types of software? answer application software system software […]
Read moreMolecular Formula Ga Average mass 69.723 Da Density Boiling Point Flash Point Molar Refractivity Polarizability Surface Tension Molar Volume Experimental data Predicted – ACD/Labs Predicted – EPISuite Predicted – ChemAxon Miscellaneous Safety: Not known to be hazardous in this form Alfa Aesar 44325 Warning: Causes metallic taste, bone marrow and GI injury Alfa Aesar 10185, […]
Read morequestion Laws of migration answer 1) Net migration amounts to a fraction of the gross migration.2) The majority of migrants move a short distance.3) Migrants who move longer distances tend to choose big cities.4) Urban residents are less migratory than inhabitants of rural areas. 5) Families are less likely to make international moves than young […]
Read morequestion Artifact answer an object made by human beings; often refers to a primitive tool or other relic from an earlier period question Domestication answer the taming of animals for human use, such as work or as food question Civilization answer a society in an advanced state of social development (e.g., with complex legal and […]
Read moreMolecular Formula H2BaN2O5 Average mass 247.353 Da Density Boiling Point Flash Point Molar Refractivity Polarizability Surface Tension Molar Volume Predicted – ACD/Labs Predicted – ChemAxon Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module No predicted properties have been calculated for this compound. Density: Boiling Point: Vapour Pressure: Enthalpy of Vaporization: Flash […]
Read moreMolecular Formula C9H20 Average mass 128.255 Da Density 0.7±0.1 g/cm3 Boiling Point 133.6±7.0 °C at 760 mmHg Flash Point 51.7±7.9 °C Molar Refractivity 43.7±0.3 cm3 Polarizability 17.3±0.5 10-24cm3 Surface Tension 22.0±3.0 dyne/cm Molar Volume 177.9±3.0 cm3 Experimental data Predicted – ACD/Labs Predicted – EPISuite Predicted – ChemAxon Gas Chromatography Retention Index (Kovats): 788 (estimated with […]
Read morequestion All life on Earth exists in a region known as answer The biosphere question Groups of different species that live together make up a answer Community question Autotrophs are organisms that answer Use the energy they take in from the environment to convert inorganic molecules into complex organic molecules question The series of steps […]
Read morequestion Where is sperm developed answer seminiferous tubules of the testes question Epididymis answer where the sperm mature (5% of semen volume) question Semen Composition answer 60% high fructose content made by the seminal vesicles 30% milky fluid made by the prostate gland 5% fluid question Why is semen analyzed answer infertility evaluation vasectomy effectivenesss […]
Read morequestion Who first termed the word virus? answer Louis Pasteur question In the 1890s it was discovered that diseases were caused by viruses. What was discovered in 1911 that viruses may cause? answer Cancer question Viruses can infect EVERY type of cell. True or False? answer True question Are viruses considered living things? Why or […]
Read morequestion Hans pays $205 in advance on his account at the athletic club. Each time he uses the club, $10 is deducted from the account. Write an equation that represents the value remaining in his account after x visits to the club. Find the value remaining in the account after 11 visits. answer V = […]
Read morequestion Pathogenicity answer the ability of a symbiont to cause disease-symbiosis is the state in which two organisms coexist-Because pathogens harm the host they are parasitic symbionts question Pathogen answer a pathogen is a microbial agent of disease-it may be used synoymously with parasite-Ectoparasite: lives on the surface of the hostEndoparasite: lives inside the host’s […]
Read morequestion first line of defense answer – structures, chemicals, and processes that work together to prevent entry of pathogen– barriers-when pierced, broken, or damaged they become portals of entry * skin, mucous membranes are the first and best defenses.* mucous membranes are easier to enter than skin because skin has layered,tightly packed cells with a […]
Read moreMolecular Formula Rb2Se Average mass 249.896 Da Density Boiling Point Flash Point Molar Refractivity Polarizability Surface Tension Molar Volume Predicted – ACD/Labs Predicted – ChemAxon Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module No predicted properties have been calculated for this compound. Density: Boiling Point: Vapour Pressure: Enthalpy of Vaporization: Flash […]
Read morequestion Geography answer The study of the location of people and activities across Earth and the reasons for their distributions question Globalization answer Actions or processes that involve the entire world and result in making something worldwide in scope question Forward-Thrust Capital answer A capital that has been moved from its original location in order […]
Read more-centesis surgical puncture arthrocentesis-surgical puncture of a joint -clast to break osteoclast-Area of broken-down bone -desis binding, fixation (of a bone or joint) arthrodesis-binding or fixation of a joint -ectomy excision, removal appendectomy- excision or removal of the appendix -lysis separation; destruction; loosening thrombolysis-separation, destruction, or loosening of a blood clot -pexy fixation (of an […]
Read moreMolecular Formula C15H11N3O3 Average mass 281.266 Da Density 1.4±0.1 g/cm3 Boiling Point 497.0±45.0 °C at 760 mmHg Flash Point 254.4±28.7 °C Molar Refractivity 76.6±0.5 cm3 Polarizability 30.4±0.5 10-24cm3 Surface Tension 60.6±7.0 dyne/cm Molar Volume 200.6±7.0 cm3 Experimental data Predicted – ACD/Labs Predicted – EPISuite Predicted – ChemAxon Predicted – Mcule Experimental Physico-chemical Properties Experimental Melting […]
Read morequestion Photosynthesis answer How plants take energy from the sun and turn it into food question Chlorophyll does what? answer Absorbs sunlight question In photosynthesis, water and carbon dioxide is changed in what? answer Oxygen and Glucose question Plants create what? answer Sugar and Starches question Stomata answer Small openings on the bottom of leaves […]
Read morequestion Diphyllobothrium latum answer fish tapeworm question Diphyllobothrium latum answer human and fish eating mammals reservoirs and definitive hosts question Diphyllobothrium latum answer CORACIDIUM LARVAE eggs hatch in water, ingested by crustaceans, develop into PROCERCOID LARVAE. Crustacean ingested by fish, plerocercoid larvae develop in muscles. Humans eat fish. Worms marture in SMALL INTESTINE question Diphyllobothrium […]
Read morequestion The compound 1-butyne contains answer a triple bond question Which of the following is the IUPAC name for the compound? answer 1-bromo-3-methylcyclohexene question Name this compound. answer 3-ethyl-3-methyl-1-hexene question An unsaturated compound always answer contains at least one double or triple bond. question Which of the following names are correct? answer 1-chloro-3-propylbenzene question The […]
Read moreMolecular Formula S5V2 Average mass 262.214 Da Density Boiling Point Flash Point Molar Refractivity Polarizability Surface Tension Molar Volume Predicted – ACD/Labs Predicted – ChemAxon Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module No predicted properties have been calculated for this compound. Density: Boiling Point: Vapour Pressure: Enthalpy of Vaporization: Flash […]
Read morequestion “Older children group such items into ________, based on common properties— clothing, body parts, food, animals. Placing more items in a few categories permits more efficient organization, dramatically improving memory ” (Berk 292) Berk, Laura E.. Child Development, 9th Edition. Pearson/Australia, Feb-13. VitalBook file. The citation provided is a guideline. Please check each citation […]
Read morequestion Amines are derivatives of answer Ammonia question Ammonia (symbol) answer NH3 question IUPAC names for amines answer -e in corresponding alkane name is replaced with -amine number chain to show position of amine groups and substituents alkyl groups attached to N is indicated with the prefix N- and the alkyl name (put in front […]
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