Mr Bond

This page lists questions and answers that were posted by visitors named Mr Bond.

Questions

The following questions were asked by visitors named Mr Bond.

Answers

The following answers were posted by visitors named Mr Bond.

What kinds of substances dissolve in water? hydrophobic nonpolar oily hydrophilic
2 years ago
Which is a product in the following chemical reaction? CH 4 + 2O 2 → CO 2 + 2H 2 O H 4 H 2 O CH 4 O 2
2 years ago
What force holds atoms together in a compound? gravitation nuclear force chemical bond electromagnetism
2 years ago
Nitrogen-14 and nitrogen-15 are isotopes of the same element. How do these two isotopes differ? They have different numbers of nuclei. They have different numbers of protons. They have different numbers of neutrons. They have different numbers of electron...
2 years ago
Chemical processes store and release _____ in the bonds of molecules. atoms energy mass matter
2 years ago
What is a buffer? a solution that neutralizes bases and drops the pH of acids a solution that neutralizes acids and increases the pH of bases a solution that can receive any amount of acid or base to form a neutral solution a solution that can receive mod...
2 years ago
What causes a chemical bond to form between atoms? ejecting or absorbing electrons destroying or creating electrons transferring or sharing electrons spinning or stopping electrons
2 years ago
What general shape do water molecules have? circular long chain bent angle straight
2 years ago
What form of matter is made from only one type of atom? element material compound molecule
2 years ago
What is always true of a binary compound? It has two atoms. It has covalent bonds. It has two elements. It has a double bond.
2 years ago
What name is given to elements with the same number of protons but differing numbers of neutrons? acids bases ions isotopes
2 years ago
What is chemistry? the study of matter and how it changes the study of what living things are made of the study of living things and how they change the study of matter and how it moves
2 years ago
What determines an atom’s chemical properties? the number of electrons in its nucleus the number of neutrons in its nucleus the number of electrons in its outermost shell the number of protons in its outermost shell
2 years ago
Which of the following is a base? vinegar lemon juice stomach acid baking soda
2 years ago
What feature makes water a polar molecule? A water molecule is positively charged. A water molecule is negatively charged. The ends of the water molecule have opposite electrical charges. The middle of the water molecule contains opposing charges.
2 years ago
Which is the term for numbers that appear in the chemical formulas of some compounds? subscripts coefficients square roots exponents
2 years ago
How does the composition of a water molecule affect its charge? It makes the molecule nonpolar. It makes the molecule a positive ion. It makes the molecule polar. It makes the molecule a negative ion.
2 years ago
Which is true of hydroxide ions? They dissociate to form protons. They are not found in pure water. They have a negative charge. They contain two hydrogen atoms.
2 years ago
What kind of change causes iron to rust? freezing reaction physical change chemical change state change
2 years ago
How does the presence of an acid in a water solution affect the pH of the solution? It neutralizes the pH. It does not affect the pH. It raises the pH. It lowers the pH.
2 years ago
What is true of every water molecule? It is made of two water atoms. It is made of two hydrogen atoms and one oxygen atom. It is made of one hydrogen atom and two oxygen atoms. It is made of one water atom and one DNA atom.
2 years ago
Which is an example of a chemical change? a candle burns a teaspoon of salt dissolves a burner gets red hot a pan of water boils
2 years ago
When NaOH is added to water, the hydroxide concentration increases. What can you conclude about NaOH? It donates H + ions. It has a low pH. It releases protons. It is a base.
2 years ago
What is a radical? a group of ions that have no charge a group of ions that break up during a reaction a group of atoms that act like one atom a group of atoms that give off radiation
2 years ago
How many oxygen atoms are in one unit of the compound Ba(OH) 2 ? 1 4 2 3
2 years ago
A(n) _____ bond forms when two atoms share one or more pairs of electrons. electrical covalent molecular ionic
2 years ago
What type of bond forms between a slightly positive hydrogen atom in one molecule and a slightly negative atom in another molecule? covalent bond ionic bond hydrogen bond atomic bond
2 years ago
Which formula for sulfuric acid is written correctly to show one sulfur atom, two hydrogen atoms, and four oxygen atoms? H 2 (SO 2 ) 2 (HS) 2 O 4 H 2 SO 4 HS 2 O 4
2 years ago
Aston Martin DB5
2 years ago
I’m just kidding I don’t have one sadly
2 years ago
Mark just started an exercise program. To which part of the target heart rate range should he aim to exercise at? A. 77% B. 75% C. 60% D. 80%
2 years ago
I can only pick one
2 years ago
Which of the following muscles are more prone to injury? A. Shoulder B. Back C. Chest D. Triceps
2 years ago
Which of the following is likely to cause shin splints? A. Tapping toes B. Wearing tight shoes C. Walking uphill D. Starting too fast
2 years ago
Which of the following is characteristic of what not to do when stretching muscles? A. Bounce during stretch B. Warm up before stretching C. Hold breath between stretches D. Hold breath during stretch
2 years ago
Which of the following is a number that represents a person's healthy or non-healthy weight? A. Aerobic capacity B. Body composition C. Muscular endurance D. Body mass index
2 years ago
Corine raised and lowered her body ten times doing tricep dips. She completed one set. False True
2 years ago
The less muscle a person has, the faster his metabolism runs. False True
2 years ago
The Borg scale measures heart beats per minute in order to calculate a precise measurement of workout intensity. False True
2 years ago
Are you sure
2 years ago
But it does involve heart rates
2 years ago
Evaluate u + xy , for u = 2, x = 9, and y = 6. 66 56 24 17
1 year ago
The cost of playing golf increases with the number of games played. Identify the independent and dependent quantity in the situation. hours played; cost cost; hours played cost; games played games played; cost
1 year ago
Evaluate the formula V= Bh/3 for B = 15 in.2 and h = 28 in. 46.7 in.3 14 in.3 420 in.3 140 in.3
1 year ago
Name the set(s) of numbers to which -1/2 belongs. integers, rational numbers whole numbers, natural numbers, integers whole numbers, integers, rational numbers rational numbers
1 year ago
The function c = 2.50(n – 2) + 1.50 represents the cost c in dollars of printing n invitations. Which of the following is not true? The cost depends on the number of invitations printed. One can not print just one invitation. For each additional invitatio...
1 year ago
Simplify the expression. 9(10 + 5) ÷ (6 – 5) 95 135 85 17
1 year ago
Define a variable and write an expression for the phrase. 4 minus a number 4/n 4n n/4 4 – n
1 year ago
Define a variable and write an expression for the phrase. the quotient of 2 times a number and 19
1 year ago
Which set of numbers is the most reasonable to describe a person’s hat size? irrational numbers whole numbers rational numbers integers
1 year ago
The total cost to rent a row boat is $18 times the number of hours the boat is used. Write an equation to model this situation if c = total cost and h = number of hours. h = 18c c = 18h c – 18 = h
1 year ago
Which set of numbers is the most reasonable to describe the number of desks in a classroom? rational numbers integers whole numbers irrational numbers
1 year ago
Define a variable and write an expression for the phrase. 8 minus a number 8/n 8 – n n/8 8n
1 year ago
Write a function rule for the table. Days Cost to Rent a Truck 1 34 2 56 3 78 4 100 c = 12d + 22 c = 22d + 12 c = 22d c = 22d + 22
1 year ago
Which of the following is false? the cost to mail an envelope and the weight of the envelope is a positive correlation amount of exercise and percent of body fat is a negative correlation the graduation rate in a city and the rate of unemployment in a cit...
1 year ago
Evaluate the formula V=Bh/3 for B = 9 in.2 and h = 32 in. 32 in.3 9.6 in.3 288 in.3 96 in.3
1 year ago
Are you sure
1 year ago
Over the first five years of owning her car, Gina drove about 12,700 miles the first year, 15,478 miles the second year, 12,675 the third year, 11,850 the fourth year, and 13,075 the fifth year. Find the mean, median, and mode of this data. mean = 13,156;...
1 year ago