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Chemistry
Chemistry
High School
ayo could u help me out
Chemistry
High School
formula for finding speed using binding energy and mass
Chemistry
High School
What is the oxidation state of fluorine (F)?The Periodic TableA.-2B. +1C. -1D. +2
Chemistry
High School
Identify the group number and generic outer electron configuration for a neutral maingroup element with the following two Lewis dot symbols.X with 1 dot on the top, bottom and rightX with 1 dot on all sides
Chemistry
High School
The world is made up of
Chemistry
High School
What kind of reaction is 21,02 2H,0 + 0,2A. Single replacementB. Double-replacementC. DecompositionD. Synthesis
Chemistry
High School
write any two conditions at which a body of certain mass weightless
Chemistry
High School
Mt hn hp X gm CH3OH; C2H5OH; phenol c khi lng 28,9 gam phn ng va ht vi 100ml dung dch NaOH 2M. Phn trm theo khi lng phenol l ? Bit C = 12; O = 16; H = 1; Na = 23. *
Chemistry
College
How many moles of Al2O3 can be formed from 10.0 g of Al?Select an answer and submit. For keyboard navigation, use the up/down arrow keys toselect an answer.
Chemistry
College
Considering a fish breeder decided to breed small fishes which needs a pH between 6,0 to 7,0 to stay alive. He needs to adjust the water's pH that is 5,0 to a value of 6.5, having available only calcium carbonate. The mass in mg added to 5L of water is about: A)2,5B)5,5C)6,5D)7,5E)9,5
Chemistry
College
Give the formula of each coordination compound. Include square brackets around the coordination complex. Do not include the oxidation state on the metal. Use parentheses only around polyatomic ligands.a) potassium tetracyanonickelate(II)b) sodium diamminedicarbonatoruthenate(III)c) diamminedichloroplatinum(II)
Chemistry
College
What type of bonding is occuring in the compound below?A. Covalent polarB. MetallicC. IonicD. Covalent nonpolar
Chemistry
High School
hii pls help me to balance the equation thanksss
Chemistry
College
PLEASE HELP MEa)b)c)or d)?
Chemistry
High School
An atom with 6 protons and 8 neutrons is an)
Chemistry
High School
can you answer with working out
Chemistry
High School
What are the differences between molecule of an elements and molecules of a compound?
Chemistry
College
he FAA restricts how much lithium to carry on an airplane. The rule-of-thumb is a battery has 0.3 g of lithium per Ampere-hour (Ah). A laptop battery is rated as 5 Ah per cell and contains 4 cells. Find the lithium content in grams. (compare with the FAA limit of 8 grams)
Chemistry
High School
What word chemical equation describes Cavendishs experiment with zinc? WILL GIVE BRANLIEST !!!!!!!!!!!!!!!!!!
Chemistry
College
If the starting material has no stereogenic centers, when carbonyl compounds are reduced with a reagent such as LiAlH4 or NaBH4 and a new stereogenic center is formed, what will the composition of the product mixture be? A) Forms a racemic mixture of the two possible enantiomers.B) Forms more of one enantiomer than another because of steric reasons around the carbonyl.C) Forms more of one enantiomer than another depending on the temperature of the reaction.D) Forms different products depending on the solvent used.
Chemistry
High School
Specific heat capacity is _____.greater for metal than for woodthe amount of heat required to raise the temperature of 1g of a substance 1 oCrepresented by the symbol, Qall of these
Chemistry
College
Give me an atom with the following characteristics:Lanthanide seriesBoronChalogenAlkaline Earth metal
Chemistry
College
how many moles of oxygen are present in 16 g of oxygen gas
Chemistry
College
if an element has an atomic number of 9 what is the electronic structure of the same element
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