08/17/21

The average of a and twice b is fifty-two. PLEASE answer quickly

Follows • 1
Expert Answers •2

08/17/21

Seven more than twice a number equals fifteen PLEASE answer quickly

Follows • 1
Expert Answers •1

08/17/21

How to remove a table from excel but keep all the formatting and text and formulas
I have a database of patients on excel. It has all their addresses and information which pulls through to a mail merge on word. I want to remove one of the tables as it won't let me resize it and... more
Follows • 1
Expert Answers •2

08/15/21

Calculate power if an explosion?
Assuming the conditions are such that 1.5g of ethane and 1 g ethanol each combusted via and explosion which one will give the most powerful explosion?
Follows • 1
Expert Answers •1

08/15/21

Hydrogen peroxide, H2O2, decomposes to produce water and oxygen as in the following equation: 2 H2 O2(l) ⎯→ 2H2O(l) + O2(g)
What would be the volume of O2 released from the decomposition of 250 mL of 2.0 M H2O2 atSTP?
Follows • 1
Expert Answers •1

08/13/21

How to highlight first and last row of each group in excel?

Below is an extract of my Excel data A 20160101 A 20160104 A 20160105 A 20160106 A 20160107 AA 20160108 AA 20160111 AA 20160112 AA 20160113 AA 20160114 AA 20160115 AA 20160118 AB 20160119 AB... more
Follows • 1
Expert Answers •3

08/13/21

Regression Equations
The equation n=0.03t2−0.63t+4.26, models, n, the number (in millions) of people who moved to another state in the year that is t years since 1990. The table below shows some of the data that were... more
Follows • 1
Expert Answers •1

08/04/21

Business Writing?
List and describe the advantages and disadvantages of two (2) forms of electronic communications in the workplace. Now take it one step further and consider these same tools in a multi-generational... more
Follows • 1
Expert Answers •1

08/02/21

Can I please get the answer to this question???
How many moles of NaOH are present in 32.0 mL of 0.220 M NaOH? moles__________
Follows • 1
Expert Answers •2

08/02/21

Can I please get the answer to this question???
Calculate the molarity of 0.300 mol of Na2S in 1.95 L of solution.molarity_______ MCalculate the molarity of 20.1 g of MgS in 865 mL of solution.molarity__________ M
Follows • 1
Expert Answers •1

07/27/21

Finding moles in chemistry

How many moles are in 5.07 grams of cobalt (III) bicarbonate?
Follows • 1
Expert Answers •1

07/21/21

Need help with the full equation
A certain nut crunch cereal contains 11.0 grams of sugar (sucrose, C12H22O11) per serving size of 60.0 grams. How many servings of this cereal must be eaten to consume 0.0278 moles of sugar?
Follows • 1
Expert Answers •1

07/20/21

Exponential Decay Word Question; how would I solve this?

2000 tons of a radioactive element was spilled into a nearby pond. The half-life of this element is 36 days. In order for it to be declared safe for swimming there must be less than 100 tons of the... more
Follows • 1
Expert Answers •2

07/19/21

Question of the question
CAn i ask about only math and science and educational stuff, or can I ask about your opinion on a question where there is no right answer? This question is general and not educational.
Follows • 1
Expert Answers •1

07/18/21

Nuclear Fission help
Describe the process of nuclear fission. Answer how does it work and when is it used. What is meant by the chain reaction. And how do you control it
Follows • 1
Expert Answers •1

07/18/21

For what value(s) of x, is it not possible to graph the function f(x)=log(x-1)? Explain, if possible, your reasoning with the help of a graph.

Follows • 1
Expert Answers •3

07/18/21

if the concentration of hydrogen ions in an aqueous solution at 25 degree celsius is "0.0081" M. What is the concentration of the hydroxide ion?
Follows • 1
Expert Answers •1

07/17/21

Can someone please check-over my answers to these Chemistry problems?
1. What is the molality of a solution in which 1.50 × 102 g of Magnesium Nitrate, Mg(NO3)2, are dissolved in 400.0 g of warm water?A. 0.5 mB. 0.5 MC. 2.53 mD. 2.53 ME. None of the Above 2. How many... more
Follows • 2
Expert Answers •1

07/17/21

Can someone please check-over my answers to these Chemistry problems? (My answers are in bold.)
1. Molality (m) is _______.A. the number of moles of solute / the number of kilograms of solventB. the number of kilograms of solvent / the number of moles of soluteC. the number of moles of a... more
Follows • 1
Expert Answers •1

07/13/21

Can someone please solve this for me

Write the balanced chemical equation for the Haber–Bosch process (i.e., the combination of nitrogen and hydrogen to form ammonia). Phase symbols are optional.balanced chemical equation
Follows • 1
Expert Answers •1

07/12/21

Chemistry 122 d
Consider the following balanced chemical equation: Zn + 2 HCI --> ZnCl2 + H2 + What number of moles of zinc are required to react with 0.865 moles of hydrochloric acid () (Calculate all answers... more
Follows • 1
Expert Answers •1

07/12/21

62.054 grams of an unknown element make up 2.3 moles. Which element is it?

62.054 grams of an unknown element make up 2.3 moles. Which element is it? 
Follows • 1
Expert Answers •1

07/12/21

The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305 J of heat is added to 53.4 g of this metal, initially at 20.0 ∘C? 𝑇final= _____________∘C
Follows • 1
Expert Answers •1

07/09/21

According to the following reaction, how many grams of bromine trifluoride are needed to form 29.2 grams of fluorine gas? bromine trifluoride (g) bromine (g) + fluorine (g)
Follows • 1
Expert Answers •1

07/09/21

The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen(g) to form carbon monoxide(g) and water(g). CO2(g) + H2(g) CO(g) + H2O(g) H = 41.2 kJ
When 15.0 grams of carbon dioxide(g) react with excess hydrogen(g),  _________ kJ of energy are evolved or absorbed?
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.