Radical equation - Study guides, Class notes & Summaries

Explain why the first ionisation energy of barium is less than the first ionisation energy of calcium - Ans .-more (electron) shells / (outer) electrons further from the nucleus / larger atoms / more shielding -so weaker attraction of nucleus/protons for (outer) electrons Magnesium reacts readily with steam. State two observations you would make when magnesium reacts with steam. Write an equation for the reaction - Ans .White solid / white ash Bright light / white light Mg + H2OMgO + H2...

ACT Test 137 Questions with Verified Answers When are the next 3 ACT test dates for US and international students? - CORRECT ANSWER December 9, February 10, April 14 What is the order of the ACT sections? - CORRECT ANSWER English, Math, Reading, Science, Writing How many minutes and questions is the English section? - CORRECT ANSWER 75 questions, 45 minutes How many minutes and questions is the Math section? - CORRECT ANSWER 60 questions, 60 minutes How many minutes and questions ...

Activation Energy - correct answer The difference in energy between ground state and transition state in a reaction. The amount of activation energy determines the rate at which the reaction proceeds. Most organic reactions have activation energy of 400-100 kj/mol Addition Reaction - correct answer The reaction that occurs when two reactants add together to form a a single product with no atoms left over. Bond dissoc...

ACT Test Prep Math Concepts 104 Questions with Verified Answers Undefined - CORRECT ANSWER division by zero; a/bc is ___ if b or c is equal to zero real number - CORRECT ANSWER number that has a location on the number line imaginary number - CORRECT ANSWER on the ACT, ___ numbers involve the square root of a negative number; square root of -4 integer - CORRECT ANSWER this is a whole number.. includes negative whole numbers and zero rational number - CORRECT ANSWER a number that...

rational number A number that can be written as a ratio of integers, which means it can be written as a fraction. product The result of multiplying values. whole number A number whose value is 0 or greater and can be represented without a fractional or a decimal component. identity property The property that 0 can be added to any number without changing the value of the number. Likewise, 1 can be multiplied by any number without changing the value of that number. ...

f.o.i.l. - answer-first,outer,inner,last point-slope - answer-where m is a slope and (x,y) is a point on the line absolute-value - answer-how far a number is away from zero on a number line real numbers - answer-the set including all rational and irrational numbers rational numbers - answer-numbers that can be written in the form a/b, where a and b are integers and b can not equal zero. in decimal form blank numbers either terminate or repeat irrational numbers - answer-numbers th...

BBE Entrance Exam Math 2023 integers - ANS-whole numbers and their opposites pattern - ANS-The geometric or regular arrangement of something in a study area. recurring - ANS-occur again, periodically, or repeatedly. Teminating Decimals - ANS-has finite digits, for example 0,122 finish fraction - ANS-part of a whole number leading coefficient - ANS-the coefficient of the first term of a polynomial in standard form quadratic term - ANS-the ax² in the equation ax² + bx + c=0 equation - AN...

▪ In the periodic table, element X is in group 2 and element Y is in group 5. what is the likely formula of the ionic compound of X and Y - Ans .X3Y2 ▪ which enthalpy changes are endothermic - Ans .the bond enthalpy of a C-H bond and the second electron affinity of oxygen ▪ explain why the halogens show an increased boiling point down the group (3) - Ans .- london forces increase - number of electrons increase - more energy to break intermolecular forces ▪ predict what would h...

Summary WGU C955 Applied Probability and Statistics All Terms and Formulas (2023 / 2024) (Verified) Basic probability: #of total come# of total outcome in the sample space 1. P(B | A): conditional probability 2. P(A and B)=P(A) • P(B): multiplication rule- independent events 3. P(A and B)= P(A) • P(B|A): multiplication rule- dependent events 4. P(A or B)= P(A) + P(B): addition rule- Disjoint 5. P(A or B)= P(A) + P(B) - P(A and B): addition rule- non-Disjoint 6. product: The result...

College Algebra - Final Milestone with Answers!! You passed this Milestone 23 questions were answered correctly. 2 questions were answered incorrectly. 1 Which of the following equations is correctly calculated? • -2 × -7 = -14 • 81 ÷ -9 = -9 • -36 ÷ 4 = 9 • 4 × 12 = -48 RATIONALE This is correct. The quotient of a positive and negative number is always negative. This is incorrect. The product of two negative numbers is always positive. The correct product is 14....