shana

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

Questions

The following questions were asked by visitors named shana.

Compare the adolescence period in the United States with that of other nations. Compare and contrast any ritualistic (rites of passage) behavior used by both Americans and foreign children. Please re-post and include the <b>answer or response you have com...
18 years ago
Does flowers store food?
17 years ago
a pickup truck has a main tank with a 17 3/4 gallon capacity and an auxiliary tank which holds 15 1/8 gallons. if the truck gets 14 6/10 mpg, how far can the truck trqavel before running out of gas?
17 years ago
what are energy bar graphs?
16 years ago
what dose tengo sed puedo ira
16 years ago
6.8 in fraction notation
14 years ago
if a data set has mean 70, and standard deviation 5, is 80 asuspect outliner/
14 years ago
Which literary movement consists of honest and open descriptions the setting and characters? I say B. A. American Modernism B. American Realism C. American Romanticism D. American Transcendentalism
13 years ago
What word best describes the Realist's and Modernist's perspective on the world? A. Objective B. Passionate C. Subjective D. Unemotional
13 years ago
The following sentence shows what element of poetry? Her fiery eyes swept away his heart. A. Imagery B. Figure of speech C. Personification D. Simile
13 years ago
Solve the following and express the answer in scientific notation: (5.4 × 10^4) × ( 4.5 × 10^8)
12 years ago
In scientific notation, a number is written as the product of a coefficient and the number 10 raised to a power. True False
12 years ago
Mercury has a density of 13.6 g/cm^3. What is the specific gravity of mercury? A. 13.6 g B. 13.6 cm C. 13.6 cm^3 D. 13.6
12 years ago
If the density of 1.77 grams of gold is 19.3 g/mL, what is the volume
12 years ago
If melted butter were poured into a glass of milk and allowed to rest, two distinct layers would be visible. How would these layers appear? A. The melted butter would lie above the layer of milk because butter is less dense than milk. B. The melted butter...
12 years ago
if the density of .88 grams of mercury is 13.6 g/ml, what is the volume? A. 0.065 mg B. 0.065 C. 0.065 ml D. 0.065 L I think its C.
12 years ago
what is the specific gravity of a substance that has a density of 1.59 g/cm3? A. 1.59 g/mL B. 1.59 g C. 1.59 D. 1.59 mL I think B.
12 years ago
what is the mass of 12.0 ml of a substance with the density of 0.922 g/cm3? A. 1.11g B. 0.11g C. 11.1 g I think C.
12 years ago
what is the mass of 1.00 L of ethanol? Ethanol has a density of 0.798 g/ml. (hint: one liter is 10^3 mL.) A. 0.789 g B. 789 g C. 789 L I think C
12 years ago
The melting point of helium is -272.2 oC. Express this temperature in kelvins. A. -272 K B. -8.0 K C. 0.8 K D. 545 K I say D.
12 years ago
Solve the following and express the answer in scientific notation: (5.3 x 10^4) + (2.2 x 10^3) A. 5.5 x 10^4 B. 7.5 x 10^3 C. 7.5 x 10^7 D. 11.7 x 10^7 I say A
12 years ago
Solve the following and express the answer in scientific notation: 10^3 x 10^4 x 10^-2 A. 10^5 B. 10^6 C. 10^7 d. 10^8 I say A
12 years ago
Solve the following and express the answer in scientific notation: (5.4 x 10^4) - (2.5 x 10^6) A. -2.45 x 10^6 B. 2.45 x 10^6 C. -2.45 x 10^8 D. -2.44 x 10^2 I say D
12 years ago
Solve the following and express the answer in scientific notation:(3.5 x 10^6 / (4.2 x 10^8) A . -8.3 X 10^-3 b. 8.3 X 10^3 c. 8.3 X 10^-2 d. 8.3 X 10^-3 I say A
12 years ago
To add numbers using scientific notation, multiply the coefficients and then add the exponents. true or false true
12 years ago
Convert 1,144 oF to oC A. 617.8 B. 617.8 oC C. −617.8 oC D. −617.8 I say B
12 years ago
What is the percent by mass of oxygen in H2O? A. 11.1% O B. 50.0% O C. 88.9% O D. 95.0% O I think C
12 years ago
If there is a 75.0 g quantity of carbon present in each 100 g of a carbon and hydrogen compound, what is the percent composition of hydrogen in this compound? A. 25 g B. 25% C. 75 g D. 75% I say B
12 years ago
What is one mole of H2O composed of? A. 2 hydrogen atoms and 1 oxygen atom B. 2 × (6.02 × 1023) hydrogen atoms and 6.02 ×1023 oxygen atoms C. 3 atoms of water and 2 oxygen molecules D. one half of a molecule of peroxide I say A
12 years ago
How is percent composition calculated? A. Dividing the mass of each element in the compound by the total mass of the compound and then dividing by 100% B. Dividing the mass of each element in the compound by the total mass of the compound and then multipl...
12 years ago
What is the percent by mass of hydrogen in C3H8? A. 8.0% B. 18.2% C. 80.0% D. 81.8% I say B
12 years ago
In order for the percent composition of a compound to be calculated, the molar mass of the compound and the chemical formula must be determined. True False I say true
12 years ago
127.1 g Cu combines completely with 32.1 g S to form a compound. What is the percent composition of this compound? A. 20% Cu; 80% S B. 50% Cu; 50% S C. 80% Cu; 20% S D. 127% Cu; 32% S I say A
12 years ago
When solving for the percent composition of a given compound, the percent of each element in the compound must be found and reported. True false TRUE
12 years ago
What is usually indicated by an -ite or -ate ending in a chemical formula? A. The compound carries a net ionic charge of zero. B. The compound contains a polyatomic ion. C. The compound is an acid. D. The compound is molecular. I think A
12 years ago
Which ion is absorbed by a base in water? A. H3O+ B. OH- C. Neutron D. Transition metal B
12 years ago
Which phase of ionic compounds are good electrical conductors because the ions are free to carry electrical current? A. Solid B. Liquid C. Gas D. Crystalline I say B
12 years ago
Is diphosphorus pentoxide an ionic or a molecular compound? A. Ionic B. Molecular I say B
12 years ago
Which of the following consists of positive and negative ions bound together and held in place in a crystalline solid? A. Covalent bonds B. Ionic compounds C. Molecular compounds D. Molecules I say B
12 years ago
When compared to compound B, compound A has lower melting and boiling points and vaporizes more readily. Is compound A an ionic compound or a molecular compound? A. Ionic B. Molecular I say B
12 years ago
estimate the sales tax and final cost of a book that costs $12.99 with a sales tax of 6%
12 years ago
pH = 3.89 calculate concentration of hydronium ion and hydroxide ion in solution.
12 years ago
why it is important to take care of the eyes and go for a regular checkup?
11 years ago
If u carry out a SWOT analysis you should know the " O" stands for a) outliers. B) opportunities c) outlines d) oddities
11 years ago
A major hurricane with wind speeds of 111 per hour or greater. During the last century the mean number of major hurricanes to strike a certain country mainland per year was about 0.45. Find the probability that in a given year exactly one major hurricane...
10 years ago
Plus or minus of 0.05: As measured in standard deviations, how much is a year of learning in school worth on a test? Please answer with a decimal.
10 years ago
I spent hours on this and I still cant figure it out please help me: Let L1 be the line passing through the points Q1=(4, 2, −3) and Q2=(5, 5, −5). Find a value of k so the line L2 passing through the point P1 = P1(3, 7, k) with direction vector →d=[−3, −...
8 years ago
can anybody help me with this question please? Let L be the line passing through the point P=(5, −5, 3) with direction vector →d=[1, −3, −2]T. Find the shortest distance d from the point P0=(−4, −1, 4) to L, and the point Q on L that is...
8 years ago
Let L be the line passing through the point P=(1, −1, −5) with direction vector →d=[−2, −4, 3]T, and let T be the plane defined by −x+y−3z = −1. Find the point Q where L and T intersect.
8 years ago
Find the scalar equation for the plane passing through the points P1=(−3, −5, 5), P2=(1, −6, 6), and P3=(0, −9, 4).
8 years ago
please help me with this question I have no idea how to solve it, thanks Suppose T is a transformation from ℝ2 to ℝ2. Find the matrix A that induces T if T is rotation by 1/6π.
8 years ago
Find all complex numbers z satisfying z3 = 27i and give your answer as a comma-separated list of values in the form a+bi.
8 years ago
How can we differentiate MMPs from different proteolytic enzymes
8 years ago
Suppose that the sequence x0, x1, x2... is defined by x0 = 1, x1 = 5, and xk+2 = 3xk+1+10xk for k≥0. Find a general formula for xk.
8 years ago
please help :( Bob and Doug play a lot of Ping-Pong, but Doug is a much better player, and wins 90% of their games. To make up for this, if Doug wins a game he will spot Bob five points in their next game. If Doug wins again he will spot Bob ten points th...
8 years ago

Answers

The following answers were posted by visitors named shana.